var dn = "none";
var db = "block";

// Elemente anhand Class ID ein- und ausblenden */
function toggleDisplay(id) {
	displayType = ( document.getElementById( id ).style.display == 'block' ) ? 'none' : 'block';
    document.getElementById( id ).style.display = displayType;
	if (id =='versenden' && displayType == 'block'){
		window.location= '#versenden';
	}
}

// Lesemodus Button
function toggleLesemodus() {
	var n = (document.getElementsByTagName('div').length);
	for (i=0; i<n; i++){
		var styleClass = document.getElementsByTagName("div")[i].className;
		if ( styleClass == "lm"){
			//temp3=window.confirm('LM Nr. ' +i);
			if ( document.getElementsByTagName("div")[i].style.display != 'none'){
				document.getElementsByTagName("div")[i].style.display='none';
			} else {
				document.getElementsByTagName("div")[i].style.display='';
			}
		}
	}
}

// Versenden Formular ein- und ausblenden
function showSend(id){
	// Debug:
	//window.confirm('ID:' +id);
	if (id == 0){
		// Resetten und verstecken 
		document.getElementById('vform_send').style.display = db;
		document.getElementById('vform_error').style.display = dn;
		document.getElementById('vform_success').style.display = dn;
		document.getElementById('versenden').style.display = dn;
		//temp2=window.confirm('if > Success');
	}
	if (id == 1){
		// Erfolgreich verschickt > Success Msg anzeigen
		document.getElementById('vform_send').style.display = dn;
		document.getElementById('vform_error').style.display = dn;
		document.getElementById('vform_success').style.display = db;
		document.getElementById('versenden').style.display = db;
		//temp2=window.confirm('if > Success');
	}
	if (id == 2){
		// Fehler > Error Msg anzeigen
		document.getElementById('vform_send').style.display = dn;
		document.getElementById('vform_error').style.display = db;
		document.getElementById('vform_success').style.display = dn;
		document.getElementById('versenden').style.display = db;
		//temp3=window.confirm('if > Error');
	} 
	if (id == 3){
		// Resetten f. neue Mail
		document.getElementById('vform_send').style.display = db;
		document.getElementById('vform_error').style.display = dn;
		document.getElementById('vform_success').style.display = dn;
		document.getElementById('versenden').style.display = db;
		//temp3=window.confirm('if > Error');
	} 
	// Zur Sprungmarke springen
	window.location= '#versenden';
	
}

//
// Warning Overlay Funktion based on Lightbox JS: 
// Fullsize Image Overlays 	by Lokesh Dhakar - http://www.huddletogether.com
//

// 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 showWarning (id){
	//temp3=window.confirm('Warning ID Nr. ' +id);
	
	// prep objects
	var objOverlay = document.getElementById('overlay');
	var objWarning = document.getElementById('warning');
		
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();
	
	// set height of Overlay to take up whole page and show
	objOverlay.style.height = (arrayPageSize[1] + 'px');
	objOverlay.style.display = 'block';
	
	// center warning and make sure that the top and left values are not negative
	// and the image placed outside the viewport
	var warningTop = arrayPageScroll[1] + ((arrayPageSize[3] - 35 - 280) / 2);
	var warningLeft = ((arrayPageSize[0] - 20 - 530) / 2);
	objWarning.style.top = (warningTop < 0) ? "0px" : warningTop + "px";
	objWarning.style.left = (warningLeft < 0) ? "0px" : warningLeft + "px";
		
	// Entsprechenden Warntext einblenden
	if (id == 'blog'){
		document.getElementById('warn_shop').style.display = dn;
		document.getElementById('warn_blog').style.display = db;
		document.getElementById('warn_kiku').style.display = dn;
		document.getElementById('warn_news').style.display = dn;
		document.getElementById('warn_sstark').style.display = dn;
	} 
	if (id == 'kiku'){
		document.getElementById('warn_shop').style.display = dn;
		document.getElementById('warn_blog').style.display = dn;
		document.getElementById('warn_kiku').style.display = db;
		document.getElementById('warn_news').style.display = dn;
		document.getElementById('warn_sstark').style.display = dn;
	} 
	if (id == 'news'){
		document.getElementById('warn_shop').style.display = dn;
		document.getElementById('warn_blog').style.display = dn;
		document.getElementById('warn_kiku').style.display = dn;
		document.getElementById('warn_news').style.display = db;
		document.getElementById('warn_sstark').style.display = dn;
	}
	if (id == 'shop'){
		document.getElementById('warn_shop').style.display = db;
		document.getElementById('warn_blog').style.display = dn;
		document.getElementById('warn_kiku').style.display = dn;
		document.getElementById('warn_news').style.display = dn;
		document.getElementById('warn_sstark').style.display = dn;
	}
	if (id == 'sstark'){
		document.getElementById('warn_shop').style.display = dn;
		document.getElementById('warn_blog').style.display = dn;
		document.getElementById('warn_kiku').style.display = dn;
		document.getElementById('warn_news').style.display = dn;
		document.getElementById('warn_sstark').style.display = db;
	}
	// Warnfenster einblenden
	objWarning.style.display = 'block';
	
	return false;
}

function hideWarning (){
	// get objects
	objOverlay = document.getElementById('overlay');
	objWarning = document.getElementById('warning');

	// hide warning and overlay
	objOverlay.style.display = 'none';
	objWarning.style.display = 'none';
}