function show(num) {
 if(document.getElementById)
   document.getElementById(num).style.visibility = "visible";
}

function hide(num) {
 if(document.getElementById)
   document.getElementById(num).style.visibility = "hidden";
}

function ziele(num) {
	parent.document.main.src=("../../../PICS/REF/popup/ref"+num+"gr.jpg");
}

function bigpic (num) {
	BIG = window.open('popup/ref'+num+'.htm','BIG','scrollbars=no,menubar=no,toolbar=no,resizable=no,width=750,height=500, top=0px, left=0px'); 
	
BIG.focus();
}

function no() {
}

function popuppic () {

var pfad = parent.document.main.src;
	var ende = parent.document.main.src.length;
	var bigname =(pfad.substring(ende-12,ende-4));
	BIG = window.open('popup/ref'+bigname+'.htm','BIG','scrollbars=no,menubar=no,toolbar=no,resizable=no,width=750,height=500, top=0px, left=0px'); 
	BIG.focus();
}