Js: popup, ie ok maar chroom en firefox niet?

var divName = 'dek';
var offX = 5;
var offY = -120;
function mouseX(evt) {if (!evt) evt = window.event; if (evt.pageX) return evt.pageX; else if (evt.clientX)return evt.clientX + (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft); else return 0;} function mouseY(evt) {if (!evt) evt = window.event; if (evt.pageY) return evt.pageY; else if (evt.clientY)return evt.clientY + (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop); else return 0;} function follow(evt) {if (document.getElementById) {var obj = document.getElementById(divName).style; obj.visibility = 'visible'; obj.left = (parseInt(mouseX(evt))+offX) + 'px'; obj.top = (parseInt(mouseY(evt))+offY) + 'px';}} document.onmousemove = follow;

function popup(id, t){
var content="<TABLE border='0'> "+
"<TR><TD ALIGN=center style='height=118; width=124; background:url(http://www.superigrice.com/style/images/tooltip_"+t+".png) no-repeat top left;' ><div class='popup_slike'><img src='http://www.superigrice.com/style/slike_v/"+id+".jpg'/></div></TD></T
R> "+
"</TABLE>";
document.getElementById(divName).innerHTML = content;
}

function kill()
{
var content= "";
document.getElementById(divName).innerHTML = content;
}

.popup_slike{border:2px solid #FFFFFF; height:75px; width:100px; margin-bottom:20px}

<div id="dek"></div>