function  notLogin(){
		showMessageWindow('Um die Funktion nutzen zu können, musst Du eingeloggt sein.','Hinweis');
		//document.location.href='http://www.bookrix.com/login_or_register.html';
	}
	function SMessage(text,header,class2){
		if (class2) class2=' '+class2; else class2='';
		if (header) text="<div class='header"+class2+"'>"+header+"</div>"+text;
		showWinHtml('message',text+"<p align='right'>&raquo; <a class='close' href=\"javascript:hideWin('message')\">schließen</a></p>");
	}
	
	function showMessageWindow(text,header){
		$('#message_header').html('');
		$('#message').html('');
		$('#message_header').html(header);
		$('#message').html(text);
		document.getElementById('message_big').style.display='block';
	}
	
	function mouseOverMainMenu(tdid){
		tdid.parentNode.className='active_button';
	}
	function mouseOutMainMenu(tdid){
		tdid.parentNode.className='not_active_button';
	}	
	
	
	///deleting books in user Shelf	
	
	function deleteShelfRecord(bookid,param_delete){
		$.getJSON("index.php?opt=regal&task=delete&bookid="+bookid+"&param_delete="+param_delete+"&no_html=1", deleteComplete);
	}
	
	function deleteBookList(varname,countrows,param_delete){
		
		deletearr=Array();
		var lengtharr=0;
		for (var i=0;i<countrows;i++){
			if (document.getElementById(varname+i) && document.getElementById(varname+i).checked) {
				deletearr[lengtharr]=document.getElementById(varname+i).value;
				lengtharr++;
			}			
		}
		if (lengtharr>0) $.getJSON("index.php?opt=regal&task=delete&bookid="+deletearr+"&param_delete="+param_delete+"&no_html=1", deleteComplete);
	}	
	
	function deleteComplete(json){
		var rowsarray=json.id.split(',');
		for( var i=0;i<rowsarray.length;i++){
			$('#row'+rowsarray[i]).hide();
		}
		if (document.getElementById('toggle')) document.getElementById('toggle').checked=false;
		$('#message_big').hide();
	}
//////on layer
	function deleteShelfRecordLayer(bookid,param_delete){
		$.getJSON("index.php?opt=regal&task=delete&bookid="+bookid+"&param_delete="+param_delete+"&no_html=1", deleteCompleteLayer);
	}

	function deleteCompleteLayer(json){
		if (delete_item_shelf_layer==curr_shelf) {$('#row'+json.id).hide();}
		$('#message_big').hide();
		showMessageWindow('','Erfolgreich');
	}
///on layer
	function checkAll(countrows){
		var word;
		if (document.getElementById('toggle') && document.getElementById('toggle').checked) word=true;
		else word=false;
		for (var i=0;i<countrows; i++){
			if (document.getElementById('cb'+i)) document.getElementById('cb'+i).checked=word;	
		}
	}
	function isChecked(truefalse){
		if (!truefalse && document.getElementById('toggle')) document.getElementById('toggle').checked=false;
	}
	
	///stars
	
	function liks(activ,n) {
 		for (i=0;i<n;i++)
			 if (i==activ) {
				document.getElementById("x_"+i).className="mmenuhover";
			 } 
			 else {
				document.getElementById("x_"+i).className="mmenu";
			 }

 	}

	function star(id,idbook) {
		for (i=1;i<=id;i++) {			
			if (!document.getElementById(idbook+'_'+i)) break;			
			var stri=document.getElementById(idbook+'_'+i).src;
			document.getElementById(idbook+'_'+i).src=stri.replace(/star_off.gif/,'star_on.gif');
		}
	}

	function off (idbook,oldvote) {
		for (i=10;i>oldvote;i--) {
			if (!document.getElementById(idbook+'_'+i)) continue;
			var stri=document.getElementById(idbook+'_'+i).src;
			document.getElementById(idbook+'_'+i).src=stri.replace(/star_on.gif/,'star_off.gif');			
			//document.getElementById(i).src='star_off.gif';
		}
	}
	
	function setVoting(idbook,rank){
			$.getJSON("index.php?opt=regal&task=voting&bookid="+idbook+"&rank="+rank+"&no_html=1", voteComplete);
	}
	function voteComplete(json){
		star(json.vote,json.book);
		list[json.book]=json.vote;
		off(json.book,json.vote);
		$('#vote'+json.book).html(json.all_vote);
	}
	function showDiv(id){
		$('#'+id).show();	
	}
	function hideDiv(id){
		$('#'+id).hide();	
	}
	
	function showDivParam (id, id_book, returnurl) {
		$.getJSON("index.php?opt=status&task=all&id_book="+id_book+"&no_html=1&returnurl="+returnurl+" ",successChangedStatus);
	}
	function successChangedStatus(json){
		showMessageWindow(json.res,'');
	}	
	
	function checkEditForm(value,id){
		if (id!='' && value!='') 
		//$.getJSON("index.php?opt=regal&task=save_edited&shelf="+id+"&no_html=1&new_shelf_name_for_editing="+value,successChangedShelf);
		
		$.ajax({
			   url:"index.php",
			   dataType : 'json',
			   cache : false,
			   success : successChangedShelf,
			   type:'POST',
			   data: {
				   opt:"regal",
				   task:"save_edited",
				   shelf:id,
				   no_html:1,
				   new_shelf_name_for_editing:value}
			   });
		
		///old
		///document.editShelfForm.submit();
	}
	function successChangedShelf(json){
		if (json.shelf){
			if ($('#shelf_header_name')) {
				document.getElementById('shelf_header_name').innerHTML=json.name;
			}
			if ($('#shelf_name_'+json.shelf)) document.getElementById('shelf_name_'+json.shelf).innerHTML=json.name;
		}
		hideDiv('message_big');
		if (document.editShelfForm.new_shelf_name_for_editing) document.editShelfForm.new_shelf_name_for_editing.value='';
		if (document.delete_shelf_form.shelf_id) changeOptionWithValue(document.delete_shelf_form.shelf_id,json.shelf,json.name);
	}
	function removerOptionWithValue(optionName,optionValue){
		if(optionName) {			
			for(var i = 0; i < optionName.length; i++) {				
				if(optionName[i].value == optionValue) {
					optionName.removeChild(optionName[i]);
				}
			}
		}
	}
	function changeOptionWithValue(optionName,optionValue,newName){
		if(optionName) {			
			for(var i = 0; i < optionName.length; i++) {				
				if(optionName[i].value == optionValue) {
					optionName[i].innerHTML=newName;
				}
			}
		}
	}
	
	
	function getScrollTop(){
		/*Width,Height*/
		if (window.innerWidth){
			InnerWidth=window.innerWidth;
			InnerHeight=window.innerHeight;
		}
		else
		if (document.documentElement.offsetWidth){
			InnerWidth=document.documentElement.offsetWidth;
			InnerHeight=document.documentElement.offsetHeight;
	
		}
		else {
			InnerWidth=document.body.offsetWidth;
			InnerHeight=document.body.offsetHeight;
		}
	
	
		/*Scroll left,top*/
		if (window.pageXOffset || window.pageYOffset){
			ScrollLeft=window.pageXOffset;
			ScrollTop=window.pageYOffset;
		}
		else
		if (document.documentElement.scrollLeft || document.documentElement.scrollTop){
			ScrollLeft=document.documentElement.scrollLeft;
			ScrollTop=document.documentElement.scrollTop;
	
		}
		else
		if (document.body.scrollLeft || document.body.scrollTop){
			ScrollLeft=document.body.scrollLeft;
			ScrollTop=document.body.scrollTop;
		}
		return ScrollTop;
		
	}
	
	function setScrollTop(toppos){
	 
		/*Scroll left,top*/
		if (window.pageYOffset){
			window.scrollTo(0,toppos);	
		}
		else
		if (document.documentElement.scrollTop){
			document.documentElement.scrollTop=toppos;
		}
		else
		if (document.body.scrollTop){
			document.body.scrollTop=toppos; 
		}
		window.scrollTo(0,toppos);		
		
	}	
	function tellAFriend(id){
	    window.open('index.php?opt=recommend_book&task=form&no_html=1&id_book='+id, 'SizeChart', 'width=650, height=450, location=no, menubar=no,resizeable=1,scrollbars=no,toolbar=0,top=10,left=100');
	}