//* Ajax Call Routines *//
function ajaxCall(callUrl,tObjName,onloadImg)
{
	if (typeof(onloadImg)=='undefined')
	{
		onloadImg=0;
	}
	tObj=document.getElementById(tObjName);
	new Ajax.Request(callUrl,
	{
		method:'get',
		parameters: {rnd: Math.random()},
		onSuccess: function(transport)
		{
			var response = transport.responseText || "No response from server";
			tObj.innerHTML=response;
			var theFrm = document.sofaBed;
			discount=theFrm.discount.value;
			buildBill();
			buildPreview();
		},
		onFailure: function()
		{
			var response = "Cannot connect to server";
			tObj.innerHTML=response;
		}
	});
}