function setActiveStyleSheet(thisObj, i) {
	var i, a, main, title;

	if(i == "value") {
		title = thisObj;
	}
	else {
		title = thisObj.options[thisObj.selectedIndex].value;
	}

	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.getElementById("hidden_f").src="set_env.php?CSS="+title;
			}
		}
	}
}