function IsNumeric(PossibleNumber)
{	
	var PNum = new String(PossibleNumber);	
	var regex = /[^0-9]/;	
	return !regex.test(PNum);
}

function IsEmpty(obj, obj_type)
{
	if (obj_type == "text" || obj_type == "password" || obj_type == "textarea" || obj_type == "file")	{
		var objValue;
		
		objValue = obj.value.replace(/\s+$/,"");
		
		if (objValue.length == 0) {
			//obj.focus();
			return true;
		} else {
			return false;
		}
	} else if (obj_type == "select") {
		for (i=0; i < obj.length; i++) {
			if (obj.options[i].selected) {
				if(obj.options[i].value == "") {
					obj.focus();
					return true;
				} else {
					return false;
				}
			}
			
		}
		return true;	
	} else if (obj_type == "radio" || obj_type == "checkbox") {
		if (!obj[0] && obj) {
			if (obj.checked) {
				return false;
			} else {
				obj.focus();
				return true;	
			}
		} else {
			for (i=0; i < obj.length; i++) {
				if (obj[i].checked) {
					return false;
				}
			}
			obj[0].focus();
			return true;
		}
	} else {
		return false;
	}
}

function validate_search()
{
	
	
	var temp = false;
	// Product Name
	if(document.getElementById("txtProductName").value == "" || document.getElementById("txtProductName").value == null)
	{
		alert("Product Name should not be null");
		document.getElementById("txtProductName").focus();
		document.getElementById("txtProductName").style.border="1px solid red";
		temp = true;
		return false;
	}
	else
		document.getElementById("txtProductName").style.border="1px solid lightblue";
	
		if(temp == false)
		document.forms[0].submit();
	
}