function Setstyle(size){
		document.getElementsByTagName("link")[0].disabled = true;
		document.getElementsByTagName("link")[1].disabled = true;
		AW=screen.availWidth;
		AH=screen.availHeight;
		if(size==""){size="1024x768";}
		if((AW<1024 && AH<768) || size=="800x600"){
			document.getElementsByTagName("link")[1].disabled = true;
			document.getElementsByTagName("link")[0].disabled = false;
		}else{
			document.getElementsByTagName("link")[0].disabled = true;
			document.getElementsByTagName("link")[1].disabled = false;
		}
	}