var submitted=false;

function Validator(frmname)
{


 this.formobj=document.forms[frmname];
 
        if(!this.formobj)
        {
          alert("BUG: couldnot get Form object");
                return;
        }
        if(this.formobj.onsubmit)
        {
         	this.formobj.old_onsubmit = this.formobj.onsubmit;
         	this.formobj.onsubmit=null;
        }
        else
        {
         	this.formobj.old_onsubmit = null;
        }
        this.errObj = "";
        this.formobj.onsubmit=form_submit_handler;
        this.addValidation = add_validation;
        this.setAddnlValidationFunction=set_addnl_vfunction;
        this.clearAllValidations = clear_all_validations;     
        
}
function set_addnl_vfunction(functionname)
{
  this.formobj.addnlvalidation = functionname;
}
function clear_all_validations()
{
        for(var itr=0;itr < this.formobj.elements.length;itr++)
        {
                this.formobj.elements[itr].validationset = null;
        }
}
function form_submit_handler()
{
        
        
        for(var itr=0;itr < this.elements.length;itr++)
        {
                if(this.elements[itr].validationset && !this.elements[itr].validationset.validate() )
                {
                  return false;
                }
        }
        
        if(this.addnlvalidation)
        {
          str =" var ret = "+this.addnlvalidation+"()";
          eval(str);
  			  if(!ret) return ret;
        }
         if (submitted == true) {
							
					return false;
				}
				else {		
							submitted = true ;
				}           
        return true;
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
function add_validation(itemname,descriptor,errstr,erritem)
{
  	if(!this.formobj)
     {
          alert("BUG: the form object is not set properly");
                return;
     }//if
  	var itemobj = this.formobj[itemname];
  	if (erritem) 
     { 
             this.errObj = document.getElementById(erritem); 
             var errObj = document.getElementById(erritem);
     }
            
  if(!itemobj)
        {
          alert("BUG: Couldnot get the input object named:"+itemname );
                return;
        }
  if(!itemobj.validationset)
        {
          itemobj.validationset = new ValidationSet(itemobj,errObj);
        }
  
  itemobj.validationset.add(descriptor,errstr);
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
function ValidationDesc(inputitem,desc,error,erritem)
{
        this.desc=desc;
        this.error=error;
        this.errObj = erritem;
        this.itemobj = inputitem;
        //alert("@ValidationDesc [erritem]: "+erritem );
        this.validate=vdesc_validate;
        
}
function vdesc_validate()
{
  
 //this.errObj = errItem;
 //alert("@vdesc_validate [errItem]: "+this.errObj );
 if(!V2validateData(this.desc,this.itemobj,this.error,this.errObj))
 {   
    this.itemobj.focus();
                return false;
 }
 return true;
}

function ValidationSet(inputitem,errobj)
{
    //alert("@ValidationSet [errobj]: "+errobj );
    this.vSet=new Array();
        this.add= add_validationdesc; //func
        this.validate= vset_validate; //func
        this.itemobj = inputitem;
        this.erritemobj = errobj;
}
function add_validationdesc(desc,error)
{
  //alert("@add_validationdesc [this.erritemobj]: "+this.itemobj.value );
  this.vSet[this.vSet.length]= new ValidationDesc(this.itemobj,desc,error,this.erritemobj);
}
function vset_validate()
{
   for(var itr=0;itr<this.vSet.length;itr++)
         {
           if(!this.vSet[itr].validate())
                 {
                   return false;
                 }
         }
         return true;
}
function validateEmailv2(email){
    if(email.length <= 0){
          return true;
	}
	
	var splitted = email.match("^(.+)@(.+)$");
    if(splitted == null){
    	return false;
    }

    if(splitted[1] != null ){
      var regexp_user= /^\"?[\w-_\.]*\"?$/;
      if(splitted[1].match(regexp_user) == null) return false;
    }
    
    if(splitted[2] != null){
		var regexp_domain= /^[\w-\.]*\.[A-Za-z]{2,4}$/;
      if(splitted[2].match(regexp_domain) == null){
            var regexp_ip = /^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/;
            if(splitted[2].match(regexp_ip) == null){
            	return false;
            }
      }
      return true;
	}
return false;
}
//add by Rafi
//function checkChekBox()
//{
//	var start_ind=11;
//	var WSProfileNode = document.getElementById('PurchaseForm');
//			for(i=0;i<WSProfileNode.elements.length;i+=1) {
//					if(WSProfileNode.elements[i].type=="checkbox"){
//						start_ind=i-1;// input type hidden before checkbox
//						break;
//					}
//				}			
//				for(i=start_ind;i<WSProfileNode.elements.length-5;i+=4) {
//					if(WSProfileNode.elements[i+1].checked){
//						return true;
//					}
//				}
//	return false;
//}
//add by Rafi
function checkCreditCard(cardnumber,cardslice1,cardslice2)
{
	// Array to hold the permitted card characteristics
  	var cards = new Array();
	cards [0] = {name: "Visa", 
               length: "13,16", 
               prefixes: "4",
               checkdigit: true};
  cards [1] = {name: "MasterCard", 
               length: "16", 
               prefixes: "51,52,53,54,55",
               checkdigit: true};
  cards [2] = {name: "DinersClub", 
               length: "14", 
               prefixes: "300,301,302,303,304,305,36,38",
               checkdigit: true};
   cards [3] = {name: "AmEx", 
               length: "15", 
               prefixes: "34,37",
               checkdigit: true};
   cards [4] = {name: "Discover", 
               length: "16", 
               prefixes: "6011",
               checkdigit: true};
   cards [5] = {name: "JCB", 
               length: "15,16", 
               prefixes: "3,1800,2131",
               checkdigit: true};                      
	
	// Establish card type
  var cardType = -1;
	switch(cardslice1) 
    { 
    		case "1":
    		case "2":
    		{
    			cardType=5;
    					break;
    		}    		
    		case "3":
    		{
    				if(cardslice2=="4" || cardslice2=="7")
    				{
    					cardType=3;
    					break;    
    				}
	    			else
	    			{
	    				if(cardnumber.length == 14)
	    				{
	    					cardType=2;
	    					break;
	    				}
	    				else
	    				{
	    					cardType=5;
	    					break;
	    				}    
	    			}
    		}
    		case "4":
    		{	
    			cardType=0;
    			break;
    		}
    		case "5":
    		{
    			cardType=1;
    			break;    			
    		}
    		case "6":
    		{
    			 cardType=4;
    			break; 
    		}    		
	}
	//alert("@checkCreditCard("+cardnumber+","+cardslice1+","+cardslice2+")");
	//alert("cardType"+cardType);
	//return false;
	var cardNo = cardnumber;
  	var cardexp = /^([0-9]{4})\s?([0-9]{4})\s?([0-9]{4})\s?([0-9]{1,4})$/;
	// Now remove any spaces from the credit card number
 	 cardexp.exec(cardNo);
  	cardNo = RegExp.$1 + RegExp.$2 + RegExp.$3 + RegExp.$4;
       
  	// Now check the modulus 10 check digit - if required
 	 if (cards[cardType].checkdigit) 
 	 {
   		 var checksum = 0;                                  // running checksum total
    		var mychar = "";                                   // next char to process
    		var j = 1;                                         // takes value of 1 or 2
  
	    // Process each digit one by one starting at the right
	    var calc;
	    for (i = cardNo.length - 1; i >= 0; i--) 
	    {
    
		      // Extract the next digit and multiply by 1 or 2 on alternative digits.
		      calc = Number(cardNo.charAt(i)) * j;
		    
		      // If the result is in two digits add 1 to the checksum total
		      if (calc > 9) {
		        checksum = checksum + 1;
		        calc = calc - 10;
		      }
    
     		 // Add the units element to the checksum total
    			  checksum = checksum + calc;
		    
		      // Switch the value of j
		      if (j ==1) {j = 2} else {j = 1};
	   } 
		  
	    // All done - if checksum is divisible by 10, it is a valid modulus 10.
	    // If not, report an error.
	    if (checksum % 10 != 0)  {
	          return false; 
	    }
  	}  

	  // The following are the card-specific checks we undertake.
	  var LengthValid = false;
	  var PrefixValid = false; 
	  var undefined; 
	
	  // We use these for holding the valid lengths and prefixes of a card type
	  var prefix = new Array ();
	  var lengths = new Array ();
	    
	  // Load an array with the valid prefixes for this card
	  prefix = cards[cardType].prefixes.split(",");
	      
	  // Now see if any of them match what we have in the card number
	  for (i=0; i<prefix.length; i++) {
	    var exp = new RegExp ("^" + prefix[i]);
	    if (exp.test (cardNo)) PrefixValid = true;
	  }
		      
	  // If it isn't a valid prefix there's no point at looking at the length
	  if (!PrefixValid) {	     
	     return false; 
	  }
		    
	  // See if the length is valid for this card
	  lengths = cards[cardType].length.split(",");
	  for (j=0; j<lengths.length; j++) {
	    if (cardNo.length == lengths[j]) LengthValid = true;
	  }
	  
	  // See if all is OK by seeing if the length was valid. We only check the 
	  // length if all else was hunky dory.
	  if (!LengthValid) {
	        return false; 
	  }
	  
 	 // The credit card is in the required format.
  	return true;
}

function V2validateData(strValidateStr,objValue,strError,errItem) 
{ 
    
	
    var epos = strValidateStr.search("="); 
    var  command  = ""; 
    var  cmdvalue = ""; 
    if(epos >= 0) 
    { 
     command  = strValidateStr.substring(0,epos); 
     cmdvalue = strValidateStr.substr(epos+1); 
    } 
    else 
    { 
     command = strValidateStr; 
    } 
    switch(command) 
    { 
        case "req": 
        case "required": 
        {          	
		           if(eval(objValue.value.length) ==0) 
		           { 
		              	if(!strError || strError.length ==0) 
			              { 
			                //--strError = objValue.name + " : Required Field"; 
			              }//if 
			              //--alert(strError); 
		              
		              	errItem.style.display = "block";
		              	return false; 
		           	}//if 
		           	errItem.style.display = "none";
		           	break;             
        }//case required 
        case "maxlength": 
        case "maxlen": 
	    { 
	             if(eval(objValue.value.length) >  eval(cmdvalue)) 
	             { 
		               if(!strError || strError.length ==0) 
		               { 
		                 //--strError = objValue.name + " : "+cmdvalue+" characters maximum "; 
		               }//if 
		               //--alert(strError + "\n[Current length = " + objValue.value.length + " ]"); 
		               errItem.style.display = "block";
		               return false; 
	             }//if 
	             break; 
	    }//case maxlen 
        case "minlength": 
        case "minlen": 
           { 
             if(eval(objValue.value.length) <  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 //--strError = objValue.name + " : " + cmdvalue + " characters minimum  "; 
               }//if               
               //alert(strError + "\n[Current length = " + objValue.value.length + " ]"); 
               errItem.style.display = "block";
               return false;                 
             }//if 
             errItem.style.display = "none";
             break; 
            }//case minlen 
        case "alnum": 
        case "alphanumeric": 
           { 
              var charpos = objValue.value.search("[^A-Za-z0-9]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
               if(!strError || strError.length ==0) 
                { 
                  //--strError = objValue.name+": Only alpha-numeric characters allowed "; 
                }//if 
                //alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                errItem.style.display = "block";
                return false; 
              }//if 
              errItem.style.display = "none";
              break; 
           }//case alphanumeric 
         case "card":
         { 
         	
           	var cn1=document.getElementById('i_ccnum1').value.slice(0,1);
			var cn2=document.getElementById('i_ccnum1').value.slice(0,2);
              if(cn2!="55" && cn2!="34")
              {
				if(cn1!="4" && cn1!="3")
				{
                  	errItem.style.display = "block";
                		document.getElementById('i_stError').style.display = "block";
                		document.getElementById('i_stError').innerHTML="<font color='#ff0000'>error: This is NOT a valid Credit Card Number!</font>";
                		return false; 
              	}//if
              }//if
              document.getElementById('i_stError').style.display="none";
              errItem.style.display = "none"; 
              break;               
        }//card
        case "num": 
        case "numeric": 
           { 
              var charpos = objValue.value.search("[^0-9]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                if(!strError || strError.length ==0) 
                { 
                  //--strError = objValue.name+": Only digits allowed "; 
                }//if               
                //alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                errItem.style.display = "block";
                return false; 
              }//if
              errItem.style.display = "none"; 
              break;               
           }//numeric 
        case "alphabetic": 
        case "alpha": 
           { 
              var charpos = objValue.value.search("[^A-Za-z]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                  if(!strError || strError.length ==0) 
                { 
                  //--strError = objValue.name+": Only alphabetic characters allowed "; 
                }//if                             
                //alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                errItem.style.display = "block";
                return false; 
              }//if 
              errItem.style.display = "none";
              break; 
           }//alpha 
                case "alnumhyphen":
                        {
              var charpos = objValue.value.search("[^A-Za-z0-9\-_]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                  if(!strError || strError.length ==0) 
                { 
                  //--strError = objValue.name+": characters allowed are A-Z,a-z,0-9,- and _"; 
                }//if                             
                //alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                errItem.style.display = "block";
                return false; 
              }//if 
              errItem.style.display = "none";
              break;
            }
        case "cardv": 
          { 
          	var  ccnum1=document.getElementById('i_ccnum1').value ;
          	var  ccnum2=document.getElementById('i_ccnum2').value ;
          	var  ccnum3=document.getElementById('i_ccnum3').value ;
          	var  ccnum4=objValue.value ;
          	var slicen1=document.getElementById('i_ccnum1').value.slice(0,1);
          	var slicen2=document.getElementById('i_ccnum1').value.slice(1,2);
          	var ccerrflag=false;
          	var ccfullnum="";
          	
               if(slicen1!="1" && slicen1!="2" && slicen1!="3" && slicen1!="4" && slicen1!="5" && slicen1!="6")
							 {	
							 	ccerrflag=true;			 	
							 }
             		else
	             		if(!checkCreditCard(ccfullnum.concat(ccnum1,ccnum2,ccnum3,ccnum4),slicen1,slicen2)) 
		              { 
		                 		ccerrflag=true;
		              }
	             if(ccerrflag){
                 		errItem.style.display = "block";
                		document.getElementById('i_stError').style.display = "block";
                		document.getElementById('i_stError').innerHTML="<font color='#ff0000'>Error: This is not a valid credit card number!</font>";
                		return false; 
               }//if 
               document.getElementById('i_stError').style.display="none";
              errItem.style.display = "none"; 
              break;               
          }//case cardv 
//        case "reqcb":
//        {
//        	//alert(objValue.value);
//               if(!checkChekBox()) 
//               { 
//                 errItem.style.display = "block";
//                 document.getElementById('i_stcbError').style.display = "block";
//                 document.getElementById('i_stcbError').innerHTML="<font color='#ff0000' size='2px'> &nbsp;&nbsp; Error: You need to choose at least one product !</font>";
//                 return false; 
//               }//if 
//            document.getElementById('i_stcbError').style.display="none";
//            errItem.style.display = "none"; 
//           	break; 
//        }//case reqcb
        case "email": 
          { 
          		//alert(objValue.value);
               if(!validateEmailv2(objValue.value)) 
               { 
                 if(!strError || strError.length ==0) 
                 { 
                    //--strError = objValue.name+": Enter a valid Email address "; 
                 }//if                                               
                 //--alert(strError); 
                 errItem.style.display = "block";
                 return false; 
               }//if 
           break; 
          }//case email 
        case "lt": 
        case "lessthan": 
         { 
            if(isNaN(objValue.value)) 
            { 
              //--alert(objValue.name+": Should be a number "); 
              return false; 
            }//if 
            if(eval(objValue.value) >=  eval(cmdvalue)) 
            { 
              if(!strError || strError.length ==0) 
              { 
                //--strError = objValue.name + " : value should be less than "+ cmdvalue; 
              }//if               
              //--alert(strError); 
              errItem.style.display = "block";
              return false;                 
             }//if 
             errItem.style.display = "none";            
            break; 
         }//case lessthan 
        case "gt": 
        case "greaterthan": 
         { 
            if(isNaN(objValue.value)) 
            { 
              //alert(objValue.name+": Should be a number "); 
              return false; 
            }//if 
             if(eval(objValue.value) <=  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 //--strError = objValue.name + " : value should be greater than "+ cmdvalue; 
               }//if               
               //alert(strError); 
               errItem.style.display = "block";
               return false;                 
             }//if
            errItem.style.display = "none";              
            break; 
         }//case greaterthan 
        case "regexp": 
         { 
                        if(objValue.value.length > 0)
                        {
                    if(!objValue.value.match(cmdvalue)) 
                    { 
                      if(!strError || strError.length ==0) 
                      { 
                       //-- strError = objValue.name+": Invalid characters found "; 
                      }//if                                                               
                      //--alert(strError); 
                      errItem.style.display = "block";
                      return false;                   
                    }//if 
                        }
           errItem.style.display = "none";               
           break; 
         }//case regexp 
        case "dontselect": 
         { 
            if(objValue.selectedIndex == null) 
            { 
              alert("BUG: dontselect command for non-select Item"); 
              return false; 
            } 
            if(objValue.selectedIndex == eval(cmdvalue)) 
            { 
             if(!strError || strError.length ==0) 
              { 
              //--strError = objValue.name+": Please Select one option "; 
              }//if                                                               
              //--alert(strError); 
              errItem.style.display = "block";
              return false;                                   
             } 
             errItem.style.display = "none";
             break; 
         }//case dontselect 
    }//switch 
    return true; 
}