function isEmpty(str,name)
{
	var retval=true;
	var count=0;
	if (str.value=="")
		{
			alert("Please Enter " + name + "");
			str.focus();
			retval=false;
		}
	else
		{
			for(i=0;i<str.value.length;i++)
			{
				if(str.value.charAt(i)==" ")
				count++;
			}
			if (count==str.value.length)
			{
				alert("Please Enter " + name + "");
				str.focus();
				retval=false;
			}
		}
	return retval;
}
function isValidChars(str)
{
	var invalidchars=",#$%^&*()!~`+\|=[{]};:'<>?/";
	var retval=true;
	var i;
	for (i=0;i<invalidchars.length;i++)
		if (str.value.indexOf(invalidchars.charAt(i)) > -1)
		{
			alert("Please Enter valid EmailID");
			str.value="";
			str.focus();
			retval=false;
		}
	return retval;
}	
function IsEmailValid(str)
{
	var retval=true;
	var AtSym=str.value.indexOf('@');				
	var Period=str.value.lastIndexOf('.');		
	var Space=str.value.indexOf(' ');				
	var Length=str.value.length-1;
	var index = str.value.indexOf('@');
    var substr = str.value.substring(index+1);
    var index2 = substr.indexOf('@');
	var count=0;
	if (str.value=="")
		{
			alert("Please Enter Email ID");
			str.focus();
			retval=false;
		}
	else
		{
			for(i=0;i<str.value.length;i++)
			{
				if(str.value.charAt(i)==" ")
				count++;
			}
			if (count==str.value.length)
			{
				alert("Please Enter EmailId");
				str.focus();
				retval=false;
			}
			else if((AtSym<1)||(str.value.charAt(0)=='_')||(str.value.charAt(Length)=="_")||
		(str.value.indexOf("_")==AtSym+1)||(str.value.charAt(AtSym-1)=="_")||
		(Period<=AtSym+1)||
		(Period==Length)||
		((Space>0) && (Space!=Length))||
		(index2 != -1))
		{
			alert("Please Enter valid EmailId");
			str.focus();
			retval=false; 
		}
	}
return retval;
}
function matching(str1,str2,name)
{
	var retval=true;
	if (str1.value != str2.value)
	{
		alert(name + " and Re-enter " + name + " not matched");
		str2.focus();
		retval=false;
	}
	return retval;
}
function checkval(eld,young,mbro,info)
{
	var retval = true;
	var mbrothers = eld.value + young.value;
	if(mbrothers != mbro.value)
		{
		alert("Please check " + info + " !");
		mbro.focus();
		retval = false;
		}
	return retval;
}
function isEmptyLbox(str,name)
{
	var retval=true;
	if (str.value=="0" || str.value=="" || str.value=="-")
	{
		alert("Please Select " + name + "");
		str.focus();
		retval=false;
	}
  	return retval;
}
function isDOBvalid(Day,Month,Year,name)
{
var ArrDays=new Array(31,28,31,30,31,30,31,31,30,31,30,31);
if (Year.value%4==0)													
{
	ArrDays[1]=29;			
}
if ( Day.value > ArrDays[Month.value-1])			
{
		ArrDays[1]=28;
		alert("Enter Valid Date " + name);
		Day.focus();
		return false;
}
}
function isValidLength(string, min, max) {	
	var retval=true;
   if (string.length < min || string.length > max) { 
   alert ("Password should contain minumum of 6 characters");   
   retval=false; }
   return retval;
}
function V2validateData(strValidateStr,objValue,strError) 
{ 
    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"; 
              }
              alert(strError); 
              return false; 
           }
           break;             
         }
        case "maxlength": 
        case "maxlen": 
          { 
             if(eval(objValue.value.length) >  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : "+cmdvalue+" characters maximum "; 
               }
               alert(strError + "\n[Current length = " + objValue.value.length + " ]"); 
               return false; 
             }
             break; 
          }
        case "minlength": 
        case "minlen": 
           { 
             if(eval(objValue.value.length) <  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : " + cmdvalue + " characters minimum  "; 
               }
               alert(strError + "\n[Current length = " + objValue.value.length + " ]"); 
               return false;                 
             }
             break; 
            }
		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 "; 
                }
                alert(strError); 
                return false; 
              }
              break; 
           }
        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 "; 
                }
                alert(strError); 
                return false; 
              }
              break;               
           }
        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 "; 
                }
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }
              break; 
           }
		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 _"; 
                }
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }
			break;
			}
        case "email": 
          { 
               if(!validateEmailv2(objValue.value)) 
               { 
                 if(!strError || strError.length ==0) 
                 { 
                    strError = objValue.name+": Enter a valid Email address "; 
                 }
                 alert(strError); 
                 return false; 
               }
           break; 
          }
        case "lt": 
        case "lessthan": 
         { 
            if(isNaN(objValue.value)) 
            { 
              alert(objValue.name+": Should be a number "); 
              return false; 
            }
            if(eval(objValue.value) >=  eval(cmdvalue)) 
            { 
              if(!strError || strError.length ==0) 
              { 
                strError = objValue.name + " : value should be less than "+ cmdvalue; 
              }
              alert(strError); 
              return false;                 
             }
            break; 
         }
        case "gt": 
        case "greaterthan": 
         { 
            if(isNaN(objValue.value)) 
            { 
              alert(objValue.name+": Should be a number "); 
              return false; 
            }
             if(eval(objValue.value) <=  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : value should be greater than "+ cmdvalue; 
               }
               alert(strError); 
               return false;                 
             }
            break; 
         }
        case "regexp": 
         { 
		 	if(objValue.value.length > 0)
			{
	            if(!objValue.value.match(cmdvalue)) 
	            { 
	              if(!strError || strError.length ==0) 
	              { 
	                strError = objValue.name+": Invalid characters found "; 
	              }
	              alert(strError); 
	              return false;                   
	            }
			}
           break; 
         }
        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 "; 
              }
              alert(strError); 
              return false;                                   
             } 
             break; 
         }
    }
    return true; 
}
function IsNumeric(strString)
   {
   var strValidChars = "0123456789.-+";
   var strChar;
   var blnResult = true;
   if (strString.length == 0) return false;
   for (i = 0; i < strString.length && blnResult == true; i++)
      {
      strChar = strString.charAt(i);
      if (strValidChars.indexOf(strChar) == -1)
         {
         blnResult = false;
         }
      }
   return blnResult;
   }