var website = "https://hitcounter.willemssoft.be";

function showHideElement(id) {
	var e;
	e = document.getElementById(id);
	if(e)
	{
		if(e.style.display == 'none')
			e.style.display = 'block';
		else
			e.style.display = 'none';
	}
	
}

 
function doupdate() {
 	document.getElementById("top").style.backgroundImage = 'url('+ website + '/styles/'+ document.getElementById("selection").options[document.getElementById("selection").selectedIndex].text + '/top.jpg)';
 	document.getElementById("close").src = website + '/styles/'+ document.getElementById("selection").options[document.getElementById("selection").selectedIndex].text + '/x.jpg';
 	document.getElementById("question").src = website + '/styles/'+ document.getElementById("selection").options[document.getElementById("selection").selectedIndex].text + '/question.jpg';
 	document.getElementById("bottom").style.backgroundImage ='url('+ website + '/styles/'+ document.getElementById("selection").options[document.getElementById("selection").selectedIndex].text + '/bottom.jpg)';
}

function isValidColor(astring) {
	var teller1=0;
	var teller2=1;
	var val=false;
	while ((teller2<astring.length) && (astring.length==7) && (astring.substring(0,1) == "#") )
	{
		teller1++;
		teller2++;
		if (((astring.substring(teller1,teller2) == 0) || (astring.substring(teller1,teller2) == 1) || (astring.substring(teller1,teller2) == 2) || (astring.substring(teller1,teller2) == 3) || (astring.substring(teller1,teller2) == 4) || (astring.substring(teller1,teller2) == 5) || (astring.substring(teller1,teller2) == 6) || (astring.substring(teller1,teller2) == 7) || (astring.substring(teller1,teller2) == 8) || (astring.substring(teller1,teller2) == 9)) || ((astring.substring(teller1,teller2) == "A") || (astring.substring(teller1,teller2) == "a") || (astring.substring(teller1,teller2) == "B") || (astring.substring(teller1,teller2) == "b") || (astring.substring(teller1,teller2) == "C") || (astring.substring(teller1,teller2) == "c") || (astring.substring(teller1,teller2) == "D") || (astring.substring(teller1,teller2) == "d") || (astring.substring(teller1,teller2) == "E") || (astring.substring(teller1,teller2) == "e") || (astring.substring(teller1,teller2) == "F") || (astring.substring(teller1,teller2) == "f"))) {
			val= true;
		}
		else
		{
			val= false;
			teller2=astring.length;
		}
	}
	return val;
}