var thresholdY = 20; var abscissa_step = 140; 
listl = new Array(); 
var numl = 0; father = new Array(); for (i=1; i<=3; i++) { father["L" + i] = ""; } 
lwidth = new Array(); var lwidthdetected = 0; back = new Array();
for (i=1; i<=3; i++) { back["L" + i] = 0; }

function moveLayers() {
	if (!lwidthdetected) {
		for (i=1; i<=numl; i++) { lwidth[listl[i]] = getoffsetwidth(listl[i]); }
		lwidthdetected = 1;
	}
	var main_menuTOP = getoffsettop('main_menuL1');	var main_menuHEIGHT = getoffsetheight('main_menuL1');
}