// POPUP
var Fenster = null;
function popup(meineSeite,meinName,w,h,scroll)
{
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	settings ='height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable'
	Fenster = window.open(meineSeite,meinName,settings)
}
// SPAM-SICHERHEIT
function email(name, domain, tld)
{
	var mail = name + "@" + domain + "." + tld;
	var link = "<a href='mailto:" + name + "@" + domain + "." + tld + "'>" + mail + "</a>";
	document.write(link);
}
// DIV auf- und zumachen
function show(div)
{
	if(document.getElementById(div).style.display == "none")
	{
		document.getElementById(div).style.display = "block";
	}
	else
	{
		document.getElementById(div).style.display = "none";
	}
}
function farbe(r,g,b)
{
var hex_alphabets = "0123456789ABCDEF";
var hex = "#";
var triplet = new Array;
var int1;
var int2;
triplet.push(r);
triplet.push(g);
triplet.push(b);
for(var i = 0; i < 3; i++) {
int1 = triplet[i] / 16;
int2 = triplet[i] % 16;
hex += hex_alphabets.charAt(int1) + hex_alphabets.charAt(int2); 
}
return hex;
}
function del_color()
{
	f1 = document.getElementById("farbe1");
	f1c = document.getElementById("farbe1c");
	f2 = document.getElementById("farbe2");
	f2c = document.getElementById("farbe2c");
	if((f1c.style.backgroundColor != "" && f2c.style.backgroundColor != "") || f2c.value == "")
	{
		f2c.style.backgroundColor = "";
		f2c.value = "Keine Farbe!";
		f2.value = "";
	}
	else if(f1c.style.backgroundColor != "" || f1c.value == "")
	{
		f1c.style.backgroundColor = "";
		f1c.value = "Keine Farbe!";
		f1.value = "";
	}
	else if(f1.value == "" && f2.value == "")
	{
		alert("Sie müssen vorher eine Farbe auswählen!");
	}
	
}
function hover(r,g,b)
{
	hex = farbe(r,g,b);
	document.getElementById("farbe").style.backgroundColor = hex;
}
function farbe_auswahl(r,g,b)
{
	if(document.getElementById("farbe1c").style.backgroundColor == "")
	{
		color = farbe(r,g,b);
		document.getElementById("farbe1c").style.backgroundColor = color;
		document.getElementById("farbe1c").value = "";
		document.getElementById("farbe1").value = r+"-"+g+"-"+b;
	}
	else if(document.getElementById("farbe2c").style.backgroundColor == "")
	{
		color = farbe(r,g,b);
		document.getElementById("farbe2c").style.backgroundColor = color;
		document.getElementById("farbe2c").value = "";
		document.getElementById("farbe2").value = r+"-"+g+"-"+b;
	}
	else
	{
		alert("Sie können maximal 2 Farben auswählen!");
	}
}