var browseWidth, browseHeight;

if(document.layers||(document.getElementById&&!document.all)){ 
   browseWidth=window.outerWidth;
   browseHeight=window.outerHeight;
}else if(document.all){
   browseWidth=document.documentElement.clientWidth;
   browseHeight=document.documentElement.clientHeight;
}

var res = browseWidth + "x"  + browseHeight;
createCookie('cbr',res,0);

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=/";}