function haalelement(el) {
var tagList = new Object
for (var i = 1; i < arguments.length; i++)
tagList[arguments[i]] = true
while ((el!=null) && (tagList[el.tagName]==null))
el = el.parentElement
return el
}
function lichtband(janee) {
var el = haalelement(event.srcElement,"TD")
if (el==null) return
if ((el.tagName=="TD")) {
var rij = haalelement(el, "TR")
if (janee)
rij.className = "rijover"
else
rij.className = ""
}
}
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