window.name = "BaseVenster";

function openPoll()	{
	wintest = window.open("http://www.mrcweb.nl/database/form.htm","poll"," width=450,height=440,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no")
	wintest.focus()
}

function init_slide()	{
	
	if (readCookie("enquete_popup") == null) {

		// Detect screen width and height
		if (parseInt(navigator.appVersion)>3) {
			if (navigator.appName=="Netscape") {
				winW = window.innerWidth;
				winH = window.innerHeight;
			}
			if (navigator.appName.indexOf("Microsoft")!=-1) {
				winW = document.body.offsetWidth;
				winH = document.body.offsetHeight;
			}
		}

		createCookie("enquete_popup", "yes", 365);
		if (navigator.appName == 'Netscape') {
			openPoll()
		} else {
			var layer = slide;
			layer.style.pixelLeft = parseInt((winW-760)/2);
			layer._sl_maxpos = parseInt((winH-470)/2);
			layer._sl_minpos = 50;
			layer._sl_dir = 'v';
			startSlide()
		}
	}
}

function startSlide() {
	var layer = slide;
	var name  = (navigator.appName == 'Netscape') ? layer.name : layer.id;
	if (name == 'namoswmenucontainer') {
		if (navigator.appName == 'Netscape') {		
			layer = layer.parentLayer;
			name  = layer.name;
		}
	}
	if (layer._down_interval)	{ clearInterval(layer._down_interval) }
	layer._up_interval = setInterval("startSlide2('" + name + "')", 50)
}

function startSlide2(name)	{
	var layer;
	layer = document.all[name];
   	if (layer._sl_dir == 'h' && layer.style.pixelLeft < layer._sl_maxpos)	{
   		layer.style.pixelLeft += 5
   	}
  	else if (layer._sl_dir == 'v' && layer.style.pixelTop < layer._sl_maxpos)	{
   		layer.style.pixelTop += 7;
   	}
  	else if (layer._up_interval)	{
   		clearInterval(layer._up_interval);
   	}
}
function closeSlide()	{
	layer = slide
	layer.style.visibility = "hidden";
	
	var width = screen.width;
	var posx = (width / 2) - (417 / 2);
	var posy = 200;
	
	document.getElementById("divContainerPop").style.left = posx;
	document.getElementById("divContainerPop").style.top = posy;	
	
	document.getElementById("divContainerPopShadow").style.left = posx + 5;
	document.getElementById("divContainerPopShadow").style.top = posy + 5;	

	MM_showHideLayers('document.layers["divContainerPop"]','divContainerPop','show');
	MM_showHideLayers('document.layers["divContainerPopShadow"]','divContainerPopShadow','show');		
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}