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/* Function that swaps images. */

function di20(id, newSrc) {
    var theImage = FWFindImage(document, id, 0);
    if (theImage) {
	theImage.src = newSrc;
    }
}

/* Functions that track and set toggle group button states. */

function FWFindImage(doc, name, j) {
    var theImage = false;
    if (doc.images) {
	theImage = doc.images[name];
    }
    if (theImage) {
	return theImage;
    }
    if (doc.layers) {
	for (j = 0; j < doc.layers.length; j++) {
	    theImage = FWFindImage(doc.layers[j].document, name, 0);
	    if (theImage) {
		return (theImage);
	    }
	}
    }
    return (false);
}

function makeSearchString() {
	var searchString = "?"
	var onePair
	onePair = "urlinfo" + "="
	onePair = window.location
	searchString += onePair
	return searchString
}

function openPopup(file,window) {
	msgWindow=open(file,window,'width=480,height=400,toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,top=10,left=40');
	if (msgWindow.opener == null) msgWindow.opener = self;
}

function feedback() {
	x = 'http://www.iit.edu/feedback.html' + makeSearchString() ;
	openPopup(x)
}
// stop hiding -->