function ValidateEMail(objName)
{
	
	//Purpose	: This function is used to validate email. 
	//Arguments : Email object
		
	var sobjValue;
	var iobjLength;
	
	
	
	sobjValue=objName;
	
	iobjLength=sobjValue.length;
	iFposition=sobjValue.indexOf("@");
	iSposition=sobjValue.indexOf(".");
	iTmp=sobjValue.lastIndexOf(".");	
	iPosition=sobjValue.indexOf(",");
	iPos=sobjValue.indexOf(";");
	
	if (iobjLength!=0)
	{
		if ((iFposition == -1)||(iSposition == -1))
		{	
			alert("Invalid Email ID");
			return false;
		}
		else if(sobjValue.charAt(0) == "@" || sobjValue.charAt(0)==".")
		{
		alert("Invalid Email ID");
			return false;				
		}
		else if(sobjValue.charAt(iobjLength) == "@" ||
sobjValue.charAt(iobjLength)==".")
		{
		alert("Invalid Email ID");
			return false;				
		}	
		else if((sobjValue.indexOf("@",(iFposition+1)))!=-1)
		{	
		alert("Invalid Email ID");
			return false;
		}
		else if ((iobjLength-(iTmp+1)<2)||(iobjLength-(iTmp+1)>3))
		{
		alert("Invalid Email ID");
			return false;
		}
		else if ((iPosition!=-1) || (iPos!=-1))
		{
		alert("Invalid Email ID");
			return false;
		}
		else
		{
			//return true;
		}		
	}		
}

//To check whether number or not

function validateNumeric(field) {
var valid = "0123456789."
var ok = "yes";
var temp;
for (var i=0; i<field.value.length; i++) {
temp = "" + field.value.substring(i, i+1);
if (valid.indexOf(temp) == "-1") ok = "no";
}
if (ok == "no") {
field.focus();
field.select();
return false;
  }
}

function checknumber(field)
{
if (field.value != ""){
if (validateNumeric(field) == false)
{
alert("Please Enter Numeric Value.");
field.value="";
field.focus();
return;
}
}
}