var rocketPopupWidth = 780;
var rocketPopupHeight = 519;

$(window).ready(function() {
	$('a').focus(function () {
		this.blur();
	});
});

//
// getPageScroll()
// Returns array with x,y page scroll values.
// Core code from - quirksmode.org
//
function getPageScroll(){

	var yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
	}

	arrayPageScroll = new Array('',yScroll) 
	return arrayPageScroll;
}


//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.org
// Edit for Firefox by pHaez
//
function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}

function showOverlay(url)
{
	if(navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.substring(22, 23) == "6") {
		if(url.indexOf('?') > -1) {
			url+= '&popup=true';
		} else {
			url+= '?popup=true';
		}
		showRocketPopup(url, rocketPopupWidth, rocketPopupHeight, 1);
	} else {
		showRocketOverlayBackground();
	
		var overlay_content = $("#overlay_content");
		
		var overlay_height = 600;
		var overlay_width = 673;
		
		if(url.indexOf('?') > -1) {
			url+= '&overlay=true';
		} else {
			url+= '?overlay=true';
		}
		
		overlay_content.load(url);
	
		var arrayPageSize = getPageSize();
		var arrayPageScroll = getPageScroll();
		
		overlay_content.css("display", "block");
		overlay_content.css("position", "fixed");
		overlay_content.css("top", '60px');
		overlay_content.css("left", (((arrayPageSize[0] - 20 - overlay_width) / 2) + 'px'));
	}
}

function hideOverlay()
{
	var overlay_content = $("#overlay_content");
	overlay_content.css("display", "none");
	
	hideRocketOverlayBackground();
}

function showKennzeichen(elem)
{
	value = document.getElementById(elem+'_div').innerHTML;
	
	$('div#tooltip-div > div').text(value);
	
	$('div#tooltip-div').toggle();
	
	area_offset = document.getElementById('tooltip-area').offsetTop;
	img_offset = $('img#'+elem).offset();
	
	$('div#tooltip-div > div').css('top', ((area_offset - img_offset.top)*-1)-210);
}