if (document.getElementsByClassName == undefined) {
	document.getElementsByClassName = function(className)
	{
		var hasClassName = new RegExp("(?:^|\\s)" + className + "(?:$|\\s)");
		var allElements = document.getElementsByTagName("*");
		var results = [];

		var element;
		for (var i = 0; (element = allElements[i]) != null; i++) {
			var elementClass = element.className;
			if (elementClass && elementClass.indexOf(className) != -1 && hasClassName.test(elementClass))
				results.push(element);
		}

		return results;
	}
}

if (document.evaluate) {
	var imgs = document.evaluate("//div[@class='projectbar']//img", document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
	for(var i=0,img; img = imgs.snapshotItem(i); i++) {
		img.onmouseover = function () { this.src = this.src.replace(/\/([^/]*)$/g, "/c_$1"); }
		img.onmouseout = function () { this.src = this.src.replace(/\/c_([^/]*)$/g, "/$1"); }
	}
}
else {
	els = document.getElementsByClassName('projectbar');
	for(var j=0,img; el = els[j]; j++) {
		imgs=el.getElementsByTagName('img');
		for(var i=0,img; img = imgs(i); i++) {
			img.onmouseover = function () { this.src = this.src.replace(/\/([^/]*)$/g, "/c_$1"); }
			img.onmouseout = function () { this.src = this.src.replace(/\/c_([^/]*)$/g, "/$1"); }
		}
	}
}