/*********************************************************************************************
* StyleSwitcher javascript
* Credit to A List Apart : http://www.alistapart.com/stories/alternate/
*********************************************************************************************/
function switchStyle() {
	var title = getActiveStyleSheet();
	if (title.indexOf(standardCSS) != -1) {
		setActiveStyleSheet(alternateCSS);
		//setImageButton(alternateCSSImgSrc);
	}
	else {
		setActiveStyleSheet(standardCSS);
		//setImageButton(standardCSSImgSrc);
	}
	
}

function setActiveStyleSheet(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.getAttribute("title").indexOf(" ie") != -1) {
				a.disabled = false;
			}
		}
	}
}

function setImageButton(a_src)
{
	document.getElementById("styleswitcherimg").src = a_src;
}

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.getAttribute("title").indexOf(" ie")) == -1 && !a.disabled)
			return a.getAttribute("title");
	}
		
	return null;
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else 
		expires = "";
	document.cookie = name+"="+value+expires+";";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		
		while (c.charAt(0)==' ') 
			c = c.substring(1,c.length);
			
		if (c.indexOf(nameEQ) == 0) {
			return c.substring(nameEQ.length,c.length);
		}
	}
	return null;
}