function ActiveStyleSheet(title) {
	var i, a, main;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
			a.disabled = true;
			if(a.getAttribute("title") == title) a.disabled = false;			
		}
		//document.write(a.getAttribute("title"));
	}
}

function setActiveStyleSheet(size) {
	var i, a, main, title, new_tit;
	title = getActiveStyleSheet();
	if (size == 'more') {
		new_tit = ++title
	}
	else {
		new_tit = --title
	}
	
	//document.writeln(new_tit);		
	if ( (new_tit <= '3') && (new_tit >= '0') ){
	  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		 if (a.getAttribute("rel").indexOf("style") != -1 && (a.getAttribute("title") == new_tit) ) {
			  a.disabled = false
		 }
		 else {
			 a.disabled = true
		 }
	 }
	}
	else {
		return false
	}
}
function getActiveStyleSheet() {
var i, a;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1 
			&& a.getAttribute("title") 
			&& !a.disabled) 
		return a.getAttribute("title");
	}
	return null;
}
function getPreferredStyleSheet() {
	var i, a;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1
			&& a.getAttribute("rel").indexOf("alt") == -1
			&& a.getAttribute("title") ) 
		return a.getAttribute("title");
	}
return null;
}
window.onload = function(e) {
ActiveStyleSheet('1');
}
//window.onunload = function(e) {
//var title = getActiveStyleSheet();
//}
ActiveStyleSheet('1');