function createCookie(name,value,days) {if (days) { var date = new Date();date.setTime(date.getTime()+(days*24*60*60*1000));var expires = "; expires="+date.toGMTString();}else var expires = "";document.cookie = name+"="+value+expires+"; path=/";}
	function eraseCookie(name){document.cookie=name+'=; expires=Thu, 01-Jan-70 00:00:01 GMT;';}
	function readCookie(name) {var nameEQ = name + "=";var ca = document.cookie.split(';');	for(var i=0;i < ca.length;i++) {var c = ca[i];while (c.charAt(0)==' ') c = c.substring(1,c.length);if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);}return null;}

	function gup(name)
	{
	  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
	  var regexS = "[\\?&]"+name+"=([^&#]*)";
	  var regex = new RegExp( regexS );
	  var results = regex.exec( window.location.href );
	  if( results == null )
		return "";
	  else
		return results[1];
	}
	var request_type = gup('cse');
	switch (request_type) {
	case ('bizrate'): createCookie('shopping_engine',request_type,14); break;
	case ('nextag'): createCookie('shopping_engine',request_type,14); break;
	case ('pricegrabber'): createCookie('shopping_engine',request_type,14); break;
	case ('shopping'): createCookie('shopping_engine',request_type,14); break;
	default: break;
	}