function popUp(URL,width,height) {
	day = new Date();
	id = day.getTime();

	var winLeft = (screen.width - width) / 2;
	var winUp = (screen.height - height) / 2;

	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width='+width+',height='+height+',left='+winLeft+',top='+winUp);");
}


function contact_by_mail(user, domain, suffix, content) 
{
	if (!content)
	{
		document.write('<a href="' + 'mailto:' + user + '@' + domain + '.' + suffix + '">' + user + '@' + domain + '.' + suffix + '</a>');
	} else
	{
		document.write('<a href="' + 'mailto:' + user + '@' + domain + '.' + suffix + '">' + content + '</a>');
	}
	return true;
}




// functies tbv het schalen van de site tov de browser
var browserType; 

if (document.layers) {browserType = "nn4"} 
if (document.all) {browserType = "ie"} 
if (window.navigator.userAgent.toLowerCase().match("gecko")) {browserType= "gecko"}

function find_div(div_name) { 
	if (browserType == "gecko" ) { 
		document.poppedLayer = eval('document.getElementById(\''+div_name+'\')'); 
	} else if (browserType == "ie") { 
		document.poppedLayer = eval('document.all[\''+div_name+'\']'); 
	} else { 
		document.poppedLayer = eval('document.layers[\''+div_name+'\']'); 
	} 
	return document.poppedLayer; 
}

function getWindowWidth() { 
	var windowWidth=0; 
	if (typeof(window.innerWidth)=='number') { 
		windowWidth=window.innerWidth; 
	} else { 
		if (document.documentElement&&document.documentElement.clientWidth) { 
			windowWidth=document.documentElement.clientWidth; 
		} else { 
			if (document.body&&document.body.clientWidth) { 
				windowWidth=document.body.clientWidth; 
			} 
		} 
	} 
	return windowWidth; 
} 

function getWindowHeight() { 
	var windowHeight=0; 
	if (typeof(window.innerHeight)=='number') { 
		windowHeight=window.innerHeight; 
	} else { 
		if (document.documentElement&&document.documentElement.clientHeight) { 
			windowHeight=document.documentElement.clientHeight; 
		} else { 
			if (document.body&&document.body.clientHeight) { 
				windowHeight=document.body.clientHeight; 
			} 
		} 
	} 
	return windowHeight; 
} 

function check_browser_size() { 
	content_object = find_div('content');
	content_object.style.height = getWindowHeight()-150-30 + "px";
	
	text_object = find_div('layout_2');
	text_object.style.height = getWindowHeight()-150-30-15-15 + "px";
}

function addEventHandler(element, type, handler) {
	try {
		element.addEventListener(type, handler, false);
	} catch(inferiorBrowserException) {
		if(element.attachEvent) 
			element.attachEvent('on'+type, handler);
		else 
			element['on'+type] = handler;
	}
	return [element, type, handler];
}

addEventHandler(window, "resize", check_browser_size); 
addEventHandler(window, "load", check_browser_size);