function on_mover(MouseEvent){
	var eo = (window.event)?window.event:MouseEvent;
	var el = (eo.target)?eo.target:eo.srcElement;
	while( el != null && el.tagName.toLowerCase().indexOf("tr") != 0 )
		el = el.parentNode;
	el.style.backgroundColor = 'CCCCCC';
}

function on_mover2(MouseEvent){
	var eo = (window.event)?window.event:MouseEvent;
	var el = (eo.target)?eo.target:eo.srcElement;
	while( el != null && el.tagName.toLowerCase().indexOf("table") != 0 )
		el = el.parentNode;
	el.style.backgroundColor = 'CCCCCC';
}

function on_mover3(MouseEvent){
	var eo = (window.event)?window.event:MouseEvent;
	var el = (eo.target)?eo.target:eo.srcElement;
	while( el != null && el.tagName.toLowerCase().indexOf("th") != 0 )
		el = el.parentNode;
	el.style.backgroundColor = 'CCCCCC';
}

function on_mout( eventObj ){
	var eo = (window.event)?window.event:eventObj;
	var el = (eo.target)?eo.target:eo.srcElement;
	while( el != null && el.tagName.toLowerCase().indexOf("tr") != 0 )
		el = el.parentNode;
	el.style.backgroundColor = '';
}

function on_mout2( eventObj ){
	var eo = (window.event)?window.event:eventObj;
	var el = (eo.target)?eo.target:eo.srcElement;
	while( el != null && el.tagName.toLowerCase().indexOf("table") != 0 )
		el = el.parentNode;
	el.style.backgroundColor = '';
}

function on_mout3( eventObj ){
	var eo = (window.event)?window.event:eventObj;
	var el = (eo.target)?eo.target:eo.srcElement;
	while( el != null && el.tagName.toLowerCase().indexOf("th") != 0 )
		el = el.parentNode;
	el.style.backgroundColor = '';
}

var lastNode;
function on_mdown( eventObj ){
	var eo = (window.event)?window.event:eventObj;
	var el = (eo.target)?eo.target:eo.srcElement;
	while( el != null && el.tagName.toLowerCase().indexOf("tr") != 0 )
		el = el.parentNode;
	el.style.backgroundColor = '666666';
	lastNode = el;
	window.setTimeout( on_mup2, 100 );
}

function on_mdown2( eventObj ){
	var eo = (window.event)?window.event:eventObj;
	var el = (eo.target)?eo.target:eo.srcElement;
	while( el != null && el.tagName.toLowerCase().indexOf("table") != 0 )
		el = el.parentNode;
	el.style.backgroundColor = '666666';
	lastNode = el;
	window.setTimeout( on_mup2, 100 );
}

function on_mdown3( eventObj ){
	var eo = (window.event)?window.event:eventObj;
	var el = (eo.target)?eo.target:eo.srcElement;
	while( el != null && el.tagName.toLowerCase().indexOf("th") != 0 )
		el = el.parentNode;
	el.style.backgroundColor = '666666';
	lastNode = el;
	window.setTimeout( on_mup2, 100 );
}

function on_mup2(){
	//alert("I've got a "+lastNode);
	lastNode.style.backgroundColor = '';
}

function on_mup( eventObj ){
	var eo = (window.event)?window.event:eventObj;
	var el = (eo.target)?eo.target:eo.srcElement;
	while( el != null && el.tagName.toLowerCase().indexOf("tr") != 0 )
		el = el.parentNode;
	el.bgColor = '';
}

//Ekstra funksjoner
var popvindu = null;
function popup_vindu(sti, parametre){
	if(popvindu && !popvindu.closed) {
		popvindu.focus();
	} else {
		popvindu = window.open(sti, 'swada', parametre);
	}
	return false;
}

function popup_vindu_ny(sti, navn, parametre){
	newwindow=window.open(sti, navn, parametre);
	if (window.focus) {newwindow.focus()}
	return false;
}