function swapimg(galleryID, newimg, string){
	if (gallerycontainer = document.getElementById(galleryID)){
		gallerycontainer.style.backgroundImage = 'url(\''+newimg+'\')';
		document.getElementById('bijschrift').innerHTML = string;
	}
	
}
function setactivemenu(mID){
	if (menu = document.getElementById('menu'+mID)){
		menu.style.color = '#C6FC6C';
		//menu.style.fontWeight = 'bold';
	}
}
var requestcount = 1;

function checkcaptcha(enc_string, cor, incor){

	if (document.getElementById('captcha')){
		if (hex_sha1(document.getElementById('captcha').value) == enc_string){
			alert(cor);
		}
		else {
			alert(incor);
		}
	}
		
}