//http://www.pbdr.com/vbtips/asp/JavaNumberValid.htm
function selectOne(prodId)
{
var checked=false;
elements=document.getElementsByName("item[]");
for(var i=0; i < elements.length; i++)
   {
		if(elements[i].checked) 
		{
			checked = true;
		}
	}
	if (!checked) {
		alert('Please select at least 1 item');
	} else {
		
		document.form.submit();		
	}
 	return checked;
}

/*function formSubmit() {
	checknum();
	document.form.submit();	
}
*/
//Check Number Not String
function checknum (checkValue) 
{
	  
	 if ((checkValue < 0) || (isNaN(checkValue)))
	  {
	  	alert("Please enter possitive number only");
		
		
	  } 
	  return false;

 }