function setCookie(c_name,value,expiredays){
	var exdate=new Date();
	exdate.setDate(exdate.getDate()+expiredays);
	document.cookie=c_name+"="+escape(value)+((expiredays==null)?"":";expires="+exdate.toGMTString());
}
function getCookie(c_name){
	if(document.cookie.length>0){
	  c_start=document.cookie.indexOf(c_name + "=");
	  if(c_start!=-1){
	    c_start=c_start + c_name.length+1;
	    c_end=document.cookie.indexOf(";",c_start);
	    if(c_end==-1){
			c_end=document.cookie.length;
		  }
		    return unescape(document.cookie.substring(c_start,c_end));
	  }
}
return "";
}
function addRows(){
	subTotal = 0;
	rows = $("table:visible tr td.wf_product-total p").length;
	for(i=0;i<rows;i++){
		val = $("table:visible tr td.wf_product-total:eq("+i+") p").text();
		num = val.replace(/\$/,"");
		price = (num=="FREE")? 0 : parseFloat(num);
		subTotal += price;
		total = subTotal.toFixed(2);
		$("tr.wf_table-footer td.wf_product-total h3").text("$"+total);
	}
}
function setShipping(){
	price = (type == 0)? "FREE" : "$"+type;
	$("table tr.wf_table-footer td.wf_product-total p").text(price);
	setCookie('shipping',type,1);
	addRows();
}