/**
	allg.
*/

function byId(idname) {
	return document.getElementById(idname);
}

/**
message box
**/

function placeCentered(id) {
//	if(!screen.width) return;
//	obj = $(id);
//	obj.inspect();
//	obj.style.left = screen.width / 2;
//	obj.style.top = screen.height / 2;
}


/**
------------------------------------------------------------------------

	umwandeln versteckter mail adressen im Dom-Element
	verwendet obj.getElementsByTagName('a');
	@idname id des DOM elements
*/

function rewriteMailto(idname) {

	if(!(obj = byId(idname))) return false;

	thelinks = obj.getElementsByTagName('a');
	for(i=0;i<thelinks.length;i++) {
		thelinks[i].innerHTML = thelinks[i].innerHTML.replace(/\[AT/g, "@");
		thelinks[i].innerHTML = thelinks[i].innerHTML.replace(/\[DT/g, ".");
		var link_href = thelinks[i].getAttribute('href');
		if(!link_href) continue;
		link_href = link_href.replace(/\[DT/g, ".");
		link_href = link_href.replace(/\[AT/g, "@");
		thelinks[i].setAttribute('href',link_href);
	}
}

/**
 ----------------------------------------------------------------------
	umwandeln von h1 in graphischen text
	verwendet obj.getElementsByTagName('a');
	@idname id des DOM elements
*/
function replaceH1(idname) {
	if(!(obj = byId(idname))) return false;
	element_h1 = obj.getElementsByTagName('h1');
	for(i=0;i<element_h1.length;i++) {
//		element_h1[i].innerHTML.replace(/<h1>/g, "");
//		element_h1[i].innerHTML.replace(/</h1>/g, "");
		if(element_h1[i].className=='short')
				element_h1[i].innerHTML = '<img src="http://www.db-lux.com/gd/textimg.php?fontn=2&fsize=22&color=450064&maxw=17&text='+encodeURI(element_h1[i].innerHTML)+'" alt="'+encodeURI(element_h1[i].innerHTML)+'"/>';
		else
				element_h1[i].innerHTML = '<img src="http://www.db-lux.com/gd/textimg.php?fontn=2&fsize=22&color=450064&maxw=34&text='+encodeURI(element_h1[i].innerHTML)+'" alt="'+encodeURI(element_h1[i].innerHTML)+'"/>';
	}
}
function replaceH3(idname) {
	if(!(obj = byId(idname))) return false;
	element_h3 = obj.getElementsByTagName('h3');
	for(i=0;i<element_h3.length;i++) {
		if(element_h3[i].className=='grfx')
			element_h3[i].innerHTML = '<img src="http://www.db-lux.com/gd/textimg.php?fontn=2&fsize=13&color=4d597a&text='+encodeURI(element_h3[i].innerHTML)+'" alt="'+encodeURI(element_h3[i].innerHTML)+'"/>';
	}
}


/**
 ----------------------------------------------------------------------
	populate / empty list
	langsames	kopieren (aus einem anderen container) oder
	löschen von  kind-elementen
*/

function switchPopulate(dest,src) {
	destnode = byId(dest);
	if(!destnode.hasChildNodes()) populateList(dest,src);
	else emptyList(dest,0);
}
function populateList(dest,src) {

	destnode = byId(dest);
	destnode.style.display = 'block';

	if(!destnode.hasChildNodes())
		populateLine(dest,src,0);
}

function populateLine(dest,src,linen) {

	destnode = byId(dest);
	srcnode = byId(src);
	elements = srcnode.getElementsByTagName('a');
	if(linen < elements.length) {
		destnode.appendChild(elements[linen].cloneNode(true));
		setTimeout("populateLine('"+dest+"','"+src+"',"+(linen+1)+")",22);
	}
	return true;
}

function removeLine(dest,minval) {
	destnode = byId(dest);
	if(destnode.childNodes.length>minval) {
		todelete = destnode.lastChild;
		destnode.removeChild(todelete);
		if(destnode.childNodes.length>minval) {
			todelete = destnode.lastChild;
			destnode.removeChild(todelete);
		}
		setTimeout("removeLine('"+dest+"',"+minval+")",1);
	} else {
		destnode.style.display = 'none';
	}
}

function emptyList(dest, minval) {
	removeLine(dest,minval);
	return true;
}

/**
* setzt klasse im n-ten element mit tagname name auf on ,
* restliche off
*/
function setNTagOn(parent_element, name, n) {
	elements = parent_element.getElementsByTagName(name);
	maxn = elements.length;
	for(i=0;i<maxn;i++) {
		if(i==n) elements[i].className = 'on';
		else elements[i].className = 'off';
	}
}

/**
 setzt klasse im n-ten element mit tagname name auf on ,
 restliche off ... elternelement wird übergabe eines kindes (this)
 ermittelt
*/
function setNTagOnAuto(element, name) {

	elements = element.parentNode.getElementsByTagName(element.nodeName);
	maxn = elements.length;
	for(i=0;i<maxn;i++) {
		elements[i].className = 'off';
	}
	element.className = 'on';
}

/**
 multi - image ----------------------------------------------------------------------
 */
var prodImages = Array();
var prodFullsizeImages = Array();
var prodImageCount = 0;
var prodImageIndex = 0;
function addImage(filename,originalfilename) {
	prodImages[prodImageCount] = filename;
	prodFullsizeImages[prodImageCount] = originalfilename;
	prodImageCount++;
}
function nextImage(id) {
	obj = byId(id);
	prodImageIndex++;
	if (prodImageIndex >= prodImageCount) prodImageIndex = 0;
	obj.src = prodImages[prodImageIndex];
}
function prevImage(id) {
	obj = byId(id);
	prodImageIndex--;
	if (prodImageIndex < 0) prodImageIndex = prodImageCount-1;
	obj.src = prodImages[prodImageIndex];
}

function fullSizePicture() {
	byId('fullsizePicture').src=prodFullsizeImages[prodImageIndex];
	byId('pictureView').style.display='block';

}

function hideFullsize() {
	byId('pictureView').style.display='none';
}


/**
 ------------------------------------------------------------------------------------
 admin
 */

 /*
  textarea für datentabelle bei produkten - erstes vorkommen von : mit | ersetzen
  */
 function convertDatafield(obj) {
 	var contentlines = obj.value.explode('\n');
 	alert(contentlines.length);
 }

/**
 ------------------------------------------------------------------------------------
 dom + xmlhttprequest techinques
 */

 function getXmlHttpRequest() {

 	var xmlHttp = null;
	// Mozilla, Opera, Safari sowie Internet Explorer 7
	if (typeof XMLHttpRequest != 'undefined') {
	    xmlHttp = new XMLHttpRequest();
	    http_request.overrideMimeType('text/html');
	}
	if (!xmlHttp) {
	    // Internet Explorer 6 und älter
	    try {
	        xmlHttp  = new ActiveXObject("Msxml2.XMLHTTP");
	    } catch(e) {
	        try {
	            xmlHttp  = new ActiveXObject("Microsoft.XMLHTTP");
	        } catch(e) {
	            xmlHttp  = null;
	        }
	    }
	}
	if (xmlHttp) {
		return xmlHttp;
	} else {
		return false;
	}
 }

 function saveVar(varname, value) {

// 	xht = getXmlHttpRequest();
//	if(xht==false) return false;
//
//	xht.open('GET','setvar.php',true) ;
//	//xht.open('GET','setvar.php?'+varname+'='+value) ;
//	alert(xht.readyState);
//	for(i=0;i<910000;i++) {  b=i+i; }
//	alert(xht.readyState);
//	for(i=0;i<910000;i++) {  b=i+i; }
//	alert(xht.readyState);
//
//	xht.open('GET','setvar.php', true) ;
//	xht.onreadystatechange = function () {
//		alert(xht.status);
//        if (xht.readyState == 4) {
//            alert(xht.responseText);
//        }
//    };
//    alert(xht.status);
 }