function rollon(){
	var pic = document.getElementById(this.id).getElementsByTagName("img");
	var temp = pic[0].src.replace(/normal/, "rollover");
	pic[0].src = temp;	
}

function rolloff(){
	var pic = document.getElementById(this.id).getElementsByTagName("img");
	var temp = pic[0].src.replace(/rollover/, "normal");
	pic[0].src = temp;
}

function addEvent(elm, evType, fn, useCapture){
	if(elm.addEventListener){
		elm.addEventListener(evType, fn, useCapture);
		return true;
	}else if (elm.attachEvent){
		var r = elm.attachEvent('on' + evType, fn);
		return r;
	}else{elm['on' + evType] = fn;}
}

function findtarget()
{
	var target = document.getElementById("col2").getElementsByTagName("a");
	for (i=0;i<target.length;i++){
		target[i].onmouseover = rollon;
		target[i].onmouseout = rolloff;
	}
}

addEvent(window, 'load', findtarget, false);