function checkqty(str,qty)
{
	//alert(document.getElementById(str).value);
	//alert(qty);
	//alert(document.getElementById(str).value);
 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");
  //}
}
function alert_window ()
{
	alert("Out of stock");
}
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 checkqty1(str,qty)
{
	
 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"); 
   return false;
   }
   return true;
}