var x;
var y;


function getsize() 
{
if(readCookie('width')!=550&&readCookie('height')!=450){
 var x = screen.width;
 var y = screen.height;

x=x-200;
y=y-250;
setvalues(x,y);
}
}

 
function setvalues(x2,y2)
{
createCookie("width",x2,30);
createCookie("height",y2,30);
}
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) {
	createCookie(name,"",-1);
}

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;
}