shopscript.js

function setCartCount(elem, newVal)
{
	var chfield = elem;
	
	if(newVal < 0)
	{
		newVal = 0;
	}
	
	chfield.val(newVal);
	 // parseTotal();
	 
	
	return false;
}

function changeCartCount(elem,val)
{
	var chfield = elem;
	var oldcount = parseInt(chfield.val());
	var newVal = oldcount+val;
	
	return setCartCount(elem,newVal);

}