if(typeof LOC == 'undefined') {
	var LOC = {};
}
LOC.welcomeRoll = function(){
	if(document.getElementById("wcNav")){
		var nav_arr = document.getElementById("wcNav").getElementsByTagName("li");
		for(var i=0; i< nav_arr.length; i++){
			var limage = nav_arr[i].getElementsByTagName("img")[0];
			limage.onmouseover = function(){
				this.src = this.src.replace("_off", "_on");
			}
			limage.onmouseout= function(){
				this.src = this.src.replace("_on", "_off");
			}
		}
	}
}
addDOMLoadEvent(function(){
	//rollovers welcome
	LOC.welcomeRoll();
});