function resize_Elements() {
	var client_h = document.body.clientHeight;
	var client_w = document.body.clientWidth;
	
	if(document.getElementById("main-page")) {
		if(document.getElementById("main-right")) {
			document.getElementById("main-right").style.width = (client_w - 229);
			document.getElementById("main-right").style.height = (client_h - 142);//143//136
		}
		if(document.getElementById("main-left")) {
			document.getElementById("main-left").style.height = (client_h - 143);
		}
	}
}

function openPopup(p_width, p_height, p_name, p_url, p_scroll, p_resize) {
	var pos_y = (screen.width - p_width) / 2;
	var pos_x = (screen.height - p_height) / 2;
	win_popup = 'width='+p_width+',height='+p_height+',left='+pos_y+',top='+pos_x+',menubar=0,location=0,toolbar=0,personalbar=0,status=0,scrollbars='+p_scroll+',titlebar=0,resizable='+p_resize+''
	win = window.open(p_url, p_name, win_popup)
}

//--------------- product tree
function open_UtopisByUrl(open_url) {
	openPopup(800, 600, "pop_utopis", open_url, 1, 1);
}

//--------------- home
function position_Elements() {
	var client_h = document.body.clientHeight;
	var client_w = document.body.clientWidth;
	
	if(document.getElementById("main-wrapper")) {
		document.getElementById("main-wrapper").style.left = ((client_w - 748) / 2);
		document.getElementById("main-wrapper").style.top = (((client_h - 355) / 2) - 80);
	}
}

//--------------- top menu
var tm_base = "";

function over_TopMenu(elem) {
	var rel_src = elem.src.replace("http://"+document.domain+"/", "");
	var cur_img =(rel_src.substring((parseInt(rel_src.lastIndexOf("/"))+1)));
	if(cur_img.indexOf("on_") != -1) {
		elem.src = "upload/" + cur_img.replace("on_", "off_");
	}else{
		elem.src = "upload/" + cur_img.replace("off_", "on_");
	}
}

//--------------- print
function print_Page() {
	if(document.location.href.length) {
		new_url = document.location.href.replace("page.asp", "print.asp");
		openPopup(800, 600, "pop_print", new_url, 1, 1);
	}
}

<!--
function dolayer(idon,idoff){
//alert('test');
	document.getElementById(idoff).style.visibility = 'hidden';
	document.getElementById(idon).style.visibility = 'visible';	
}

function showSelected()
{
	var selObj = document.getElementById('hoofdkeuze');
	var txtIndexObj = document.getElementById('txtIndex');
	var txtValueObj = document.getElementById('txtValue');
	var txtTextObj = document.getElementById('txtText');
	
	var selIndex = selObj.selectedIndex;
	txtIndexObj.value = selIndex;
	txtValueObj.value = selObj.options[selIndex].value;
	txtTextObj.value = selObj.options[selIndex].text;
	<!-- OPEN SUBKEUZE EN SLUIT WELKE OPEN STAAN -->
	if (selIndex==1) 
	{
	dolayer('keuze1','OptiesSluit');
	dolayer('OptiesSluit','keuze2');
	dolayer('OptiesSluit','keuze3');
	dolayer('OptiesSluit','keuze4');
	dolayer('OptiesSluit','keuze5');
	dolayer('OptiesSluit','keuze6');
	}
	if (selIndex==2) 
	{
	dolayer('keuze2','OptiesSluit');
	dolayer('OptiesSluit','keuze1');
	dolayer('OptiesSluit','keuze3');
	dolayer('OptiesSluit','keuze4');
	dolayer('OptiesSluit','keuze5');
	dolayer('OptiesSluit','keuze6');
	}
	if (selIndex==3) 
	{
	dolayer('keuze3','OptiesSluit');
	dolayer('OptiesSluit','keuze1');
	dolayer('OptiesSluit','keuze2');
	dolayer('OptiesSluit','keuze4');
	dolayer('OptiesSluit','keuze5');
	dolayer('OptiesSluit','keuze6');
	}
	if (selIndex==4) 
	{
	dolayer('keuze4','OptiesSluit');
	dolayer('OptiesSluit','keuze1');
	dolayer('OptiesSluit','keuze2');
	dolayer('OptiesSluit','keuze3');
	dolayer('OptiesSluit','keuze5');
	dolayer('OptiesSluit','keuze6');
	}
	if (selIndex==5) 
	{
	dolayer('keuze5','OptiesSluit');
	dolayer('OptiesSluit','keuze1');
	dolayer('OptiesSluit','keuze2');
	dolayer('OptiesSluit','keuze3');
	dolayer('OptiesSluit','keuze4');
	dolayer('OptiesSluit','keuze6');
	}
	if (selIndex==6) 
	{
	dolayer('keuze6','OptiesSluit');
	dolayer('OptiesSluit','keuze1');
	dolayer('OptiesSluit','keuze2');
	dolayer('OptiesSluit','keuze3');
	dolayer('OptiesSluit','keuze4');
	dolayer('OptiesSluit','keuze5');
	}

}

function getIndex(i)
{
//alert(i);
if (i == 1) {
dolayer('OptiesSluit','button2');
dolayer('OptiesSluit','button3');
dolayer('OptiesSluit','button4');
dolayer('OptiesSluit','button5');
dolayer('OptiesSluit','button6');
}
if (i == 2) {
dolayer('OptiesSluit','button1');
dolayer('OptiesSluit','button3');
dolayer('OptiesSluit','button4');
dolayer('OptiesSluit','button5');
dolayer('OptiesSluit','button6');
}
if (i == 3) {
dolayer('OptiesSluit','button1');
dolayer('OptiesSluit','button2');
dolayer('OptiesSluit','button4');
dolayer('OptiesSluit','button5');
dolayer('OptiesSluit','button6');
}
if (i == 4) {
dolayer('OptiesSluit','button1');
dolayer('OptiesSluit','button2');
dolayer('OptiesSluit','button3');
dolayer('OptiesSluit','button5');
dolayer('OptiesSluit','button6');
}
if (i == 5) {
dolayer('OptiesSluit','button1');
dolayer('OptiesSluit','button2');
dolayer('OptiesSluit','button3');
dolayer('OptiesSluit','button4');
dolayer('OptiesSluit','button6');
}
if (i == 6) {
dolayer('OptiesSluit','button1');
dolayer('OptiesSluit','button2');
dolayer('OptiesSluit','button3');
dolayer('OptiesSluit','button4');
dolayer('OptiesSluit','button5');
}
var x=document.getElementById("subkeuze" +i);
//alert(x.selectedIndex);
if(x.selectedIndex==0) {
	dolayer('OptiesSluit','button'+ i);
} else {
	dolayer('button'+i,'OptiesSluit');}
}

function RemoveResult()
{
//alert(i);
document.getElementById('subkeuze1').selectedIndex = 0; 
document.getElementById('subkeuze2').selectedIndex = 0; 
document.getElementById('subkeuze3').selectedIndex = 0; 
document.getElementById('subkeuze4').selectedIndex = 0; 
document.getElementById('subkeuze5').selectedIndex = 0; 
document.getElementById('subkeuze6').selectedIndex = 0; 
dolayer('OptiesSluit','button1');
dolayer('OptiesSluit','button2');
dolayer('OptiesSluit','button3');
dolayer('OptiesSluit','button4');
dolayer('OptiesSluit','button5');
dolayer('OptiesSluit','button6');
}

//-->