function getElementIndex(theElement) {

	var coll = this.all;

	for(var i1 = 0; i1 < coll.length; i1++) {

		if(theElement == coll[i1]) return i1;

	}

	return -1;

}



function extractNr(theIdStr) {

	var index = theIdStr.indexOf('_');

	if(index == -1) {

		alert(theIdStr + 'is not a valid id str');

		return -1;

	}

	var id = parseInt(theIdStr.substr(index + 1));

	if(isNaN(id) == true) {

		alert(theIdStr + 'is not a valid id str');

		return -1;

	}

	return id;

}



function getById(idname)

{

	if(document.getElementById) {

		// standards compliant (DOM1)

		return document.getElementById(idname);

	}

	if(document.all) {

		// IE

		return document.all[idname];

	}

	// argh, NS4?

	var elem = null;

	if((elem = document.images[idname]) != null) {

		return elem;

	}

	if((elem = document.applets[idname]) != null) {

		return elem;

	}

	if((elem = document.links[idname]) != null) {

		return elem;

	}

	if((elem = document.forms[idname]) != null) {

		return elem;

	}

	if((elem = document.anchors[idname]) != null) {

		return elem;

	}

	return eval("document."+idname);

}



function insertOption(opt, lst) {

	var newOpt = null;

	if(document.all) {

		// IE

		newOpt = document.createElement("OPTION");

		newOpt.value = opt.value;

		newOpt.text = opt.text;

		lst.options.add(newOpt);

	} else {

		// standards compliant (DOM1)

		newOpt = opt.cloneNode(true);

		lst.add(newOpt,null);

	}

	return newOpt;

}