function CountTextarea(Nr)
{
	var TextareaName = "untertitel" + Nr;
	var CounterName = "counter_untertitel" + Nr;

	var wert,max;
	max = 300;
	wert = max - document.getElementById(TextareaName).value.length;
	if (wert < 0) 
	{
		alert("Bitte geben Sie max. " + max + " Zeichen bei Untertitel ein!");
		document.getElementById(TextareaName).value = document.getElementById(TextareaName).value.substring(0,max);
		wert = max - document.getElementById(TextareaName).value.length;
		document.getElementById(CounterName).value = wert; 
	} 
	else 
	{ 
		document.getElementById(CounterName).value = max - document.getElementById(TextareaName).value.length;
    }
}


function CountGaleriename(Nr)
{
	var TextareaName = "untertitel" + Nr;
	var CounterName = "counter_untertitel" + Nr;

	var wert,max;
	max = 100;
	wert = max - document.getElementById(TextareaName).value.length;
	if (wert < 0) 
	{
		alert("Bitte geben Sie max. " + max + " Zeichen bei Galeriename ein!");
		document.getElementById(TextareaName).value = document.getElementById(TextareaName).value.substring(0,max);
		wert = max - document.getElementById(TextareaName).value.length;
		document.getElementById(CounterName).value = wert; 
	} 
	else 
	{ 
		document.getElementById(CounterName).value = max - document.getElementById(TextareaName).value.length;
    }
}

function checkbox_click(Nr)
{
	var CheckboxID = "loeschen" + Nr;
	var Dateiname_oldID = "dateiname_old" + Nr;
	var BildID = "bild" + Nr;
	var UntertitelID =  "untertitel" + Nr;
	var BildreihenfolgeID =  "bildreihenfolge" + Nr;
	
	if (document.getElementById(CheckboxID).checked == true) 
	{
		document.getElementById(Dateiname_oldID).className = 'hinweis_gruen_disable';
		
		document.getElementById(BildID).disabled = true;
		document.getElementById(BildID).className = 'form_file_disable';
		
		document.getElementById(UntertitelID).disabled = true;
		document.getElementById(UntertitelID).className = 'form_textarea_disable';
		
		document.getElementById(BildreihenfolgeID).disabled = true;
		document.getElementById(BildreihenfolgeID).className = 'form_select_disable';
	}
	else
	{
		document.getElementById(Dateiname_oldID).className = 'hinweis_gruen';
		
		document.getElementById(BildID).disabled = false;
		document.getElementById(BildID).className = 'form_file';
		
		document.getElementById(UntertitelID).disabled = false;
		document.getElementById(UntertitelID).className = 'form_textarea';
		
		document.getElementById(BildreihenfolgeID).disabled = false;
		document.getElementById(BildreihenfolgeID).className = 'form_select';
	}
}


function go(url)
{
	window.location = url;
}


function cookie_bg_Image()
{
	if(document.cookie)
	{ 
		a = document.cookie;
		//alert('a: '+a);
		cookiewert = a.substring(a.search('~')+1, a.search('#'));
		//alert(cookiewert);
		if(cookiewert == '')
		{cookiewert1 = a.substring(a.search('~')+1, a.length);}
		//cookiewert = a.substr(a.search('=')+1);
		if(cookiewert)
		{
			bg_image(cookiewert);
		} 

	} 
}

function bg_image(color)
{
	var bgImage = "entwurf_" + color + ".jpg";
	document.getElementById('head_Div').style.backgroundImage = 'url(images/'+bgImage+')';
	
	// var a = new Date();
	// a = new Date(a.getTime() +1000*60*60);  // =1h
	backgroundImage = 'backgroundImage~'+color+'#';
	//alert(backgroundImage);
	document.cookie = backgroundImage; //document.cookie = 'meincookie='+bgImage+'; expires='+a.toGMTString()+';'; 
}