function gup(name) {
	name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  	var regexS = "[\\?&]"+name+"=([^&#]*)";
  	var regex = new RegExp( regexS );
  	var results = regex.exec( window.location.href );
  	if( results == null )
    	return "";
  	else
    	return results[1];
}
function jumpToAnker() {
	var jump = gup("jump");
	if (jump != "") {
		location.hash="#"+jump;
	}
}
function PVP2LoginIframe(url) {
	var el = document.getElementById("demonstrator_leftcontent");
	
	var iframe = document.createElement("iframe");
	iframe.setAttribute("src", url);
	iframe.setAttribute("width", "240");
	iframe.setAttribute("height", "220");
	iframe.setAttribute("frameborder", "0");
	iframe.setAttribute("scrolling", "no");
	iframe.setAttribute("title", "Login");

	var button = document.getElementById("submitbutton");
	button.parentNode.removeChild(button);
	
	el.appendChild(iframe, el);
}