function main(){
	var asDepts = new Array("cbe","cse","csee","ee","ise","mae","research","partners");
	var asDeptsH = new Array("cbeH","cseH","cseeH","eeH","iseH","maeH");
	for(var i = 0; i <asDepts.length; ++i){
		var sId = new Array("img_",asDepts[i]).join("");
		document.getElementById(sId).onmouseover=function(){
			var sSrc = this.src.toString();
			var asSrc = sSrc.split("_");
			var sSrc = new Array(asSrc[0], asSrc[1], new Array(asSrc[2],"H").join(""),".png").join("_");
			this.src=sSrc;
			return;
		}
		document.getElementById(sId).onmouseout=function(){
			var sSrc = this.src.toString();
			var sSrc = sSrc.replace(/H/g,"");
			this.src=sSrc;
			return;
		}
	}
	return;
}
main();