/*
 * Stylesheet changer for Nokia mobile phones that
 * do not comply to @media rules
 */ 
function qvga(){
	if(getScreenSize( 320, 240 )) {
		setActiveStyleSheet('handheld');
	}
}

function getScreenSize( x, y ){
	if( screen.width <= x && screen.height <= x ){
		return true;
	}
	return false;
}
function setActiveStyleSheet(title) 
{
	var i, a, main;
	for( i = 0; (a = document.getElementsByTagName("link")[i]); i++) {
		
		if(a.getAttribute("title") != title ){
			a.disabled = true;
		}else{
			a.disabled = false;
		}		
	}
}