//function for validating empty field
function validateBlank(formName,fieldName,msg){
	var	doc = "document."
	var input = eval(doc+formName+"."+fieldName+".value");
	
	var lenth = input.length ;
	var ctr=0 ;

	if(input==""){		
		alert(msg);
		eval(doc+formName+"."+fieldName+".focus()")
		return false;		
	}
	
	return true
}

//function for Validating Email

function validateEmail(formName,fieldName,msg){
	
	var doc = "document."
	str=eval(doc+formName+"."+fieldName+".value");
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
	if (filter.test(str)){return true}
	else
	{
		alert(msg)
		eval(doc+formName+"."+fieldName+".select()")
		return false
	}
}