useGrafikpfad = '../' + useGrafikpfad;
mainObjectId = 'mainBackground';
Event.observe(window, 'load', prepareTooltips);		// Beim Aufruf der Seite sollen die Tooltips zumindest geladen werden

function switchFormBaseUrl(form, newUrl, prefix, postfix) {
	form = $(form);
	form.action = prefix + newUrl + postfix;
}

/**
  * Hide the element "elem" by add the class "class", when something is clicked which is not the elemnt itself
  */
function hideOnClickAway(elem, theClass, elem2) {
	if(typeof(elem2) != undefined && elem2 != false) elem2 = $(elem2); else elem2 = false;
	window.setTimeout(function() {
				$(document).observe('click', function(evt) {
 									var eobj=window.event?evt.srcElement:evt.target;
									if(eobj.nodeType==3) eobj=eobj.parentNode;
									while(eobj.parentNode) {
										if(eobj == $(elem) || eobj == elem2) return;
										eobj = eobj.parentNode;
									}
									$(elem).addClassName(theClass);
								});
			}, 100);
}