// getElementsByClass function by Dustin Diaz
// http://www.dustindiaz.com/getelementsbyclass/
function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}

function selectTab(id) {
	var n = document.getElementById("tabModule");
	var el = getElementsByClass("tab",n,"*");
	for ( i=0;i<el.length;i++ ) {
		//alert(el.length);
		el[i].className = "tab";
	}
	document.getElementById(""+id+"").className="tab selected";
}