// JavaScript Document
function decrementss(str)
{  
   if (parseInt(document.getElementById(str).value)>1)
	document.getElementById(str).value=parseInt(document.getElementById(str).value)-1;
}
function incrementss(str,qty)
{
	
	
	var inc=parseInt(document.getElementById(str).value)+1;
	if(inc >qty)
	{
alert("Only "+qty+ " items Avilable");
document.getElementById(str).value=qty;
	}
    else
	{
	document.getElementById(str).value=parseInt(document.getElementById(str).value)+1;
	}
}
function checkqty(str,qty)
{
//	alert("fdgf");
 if(parseInt(document.getElementById(str).value)<=0)
   document.getElementById(str).value=1;
   if(parseInt(document.getElementById(str).value)>qty)
   document.getElementById(str).value=qty;
   alert("Sorry , We have only "+qty+" products"); 
}