function writeCookie() {
	var width = 0;
	if( typeof( window.innerWidth ) == 'number' ) {
		width = window.innerWidth;		//standard browers
		}
	else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) { //IE 6+ strict
		width = document.documentElement.clientWidth;
		}
	else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {	//other IE
		width = document.body.clientWidth;
		}
	//window.alert( 'Width = ' + width_cookie );
	document.cookie = 'width_cookie='+width;
	}
writeCookie();