menu	= new Array ();
menu[0] = new Array();	menu[0]["name"] = "objectives";		menu[0]["status"] = "off";
menu[1] = new Array();	menu[1]["name"] = "partners";		menu[1]["status"] = "off";
menu[2] = new Array();	menu[2]["name"] = "currenttopics";	menu[2]["status"] = "off";
menu[3] = new Array();	menu[3]["name"] = "modeling";	    menu[3]["status"] = "off";
menu[4] = new Array();	menu[4]["name"] = "publications";	menu[4]["status"] = "off";
menu[5] = new Array();	menu[5]["name"] = "contact";		menu[5]["status"] = "off";
menu[6] = new Array();	menu[6]["name"] = "guestbook";		menu[6]["status"] = "off";
menu[7] = new Array();	menu[7]["name"] = "links";			menu[7]["status"] = "off";


function ResetImages () {
	for (iCnt=0; iCnt<menu.length; iCnt++)
	{
		imgName = menu[iCnt]["name"];
		document[imgName].src = imgPath + "img/menu_" + imgName + ".gif";
		menu[iCnt]["status"] = "off";
	}
}

function imgHover(imgNr, imgPath) {
	if (document.images)
	{
		if (menu[imgNr]["status"] != "on")
		{
			menu[imgNr]["status"] = "hover";
			imgName = menu[imgNr]["name"];
			document[imgName].src = imgPath + "img/menu_" + imgName + "_hover.gif";
		}
	}
}

function imgOff(imgNr, imgPath) {
	if (document.images)
	{
		if (menu[imgNr]["status"] != "on")
		{
			menu[imgNr]["status"] = "off";
			imgName = menu[imgNr]["name"];
			document[imgName].src = imgPath + "img/menu_" + imgName + ".gif";
		}
	}
}

function imgOn(imgNr, imgPath) {
	if (document.images)
	{
		ResetImages (imgPath);
		menu[imgNr]["status"] = "on";
		imgName = menu[imgNr]["name"];
		document[imgName].src = imgPath + "img/menu_" + imgName + "_on.gif";
	}
}


// Grafiken vorladen
if (document.images)
{
	menu_objectives				= new Image();	menu_objectives.src				= "img/menu_objectives.gif";
	menu_objectives_on			= new Image();	menu_objectives_on.src			= "img/menu_objectives_on.gif";
	menu_objectives_hover		= new Image();	menu_objectives_hover.src		= "img/menu_objectives_hover.gif";
	menu_partners				= new Image();	menu_partners.src				= "img/menu_partners.gif";
	menu_partners_on			= new Image();	menu_partners_on.src			= "img/menu_partners_on.gif";
	menu_partners_hover			= new Image();	menu_partners_hover.src			= "img/menu_partners_hover.gif";
	menu_currenttopics			= new Image();	menu_currenttopics.src			= "img/menu_currenttopics.gif";
	menu_currenttopics_on		= new Image();	menu_currenttopics_on.src		= "img/menu_currenttopics_on.gif";
	menu_currenttopics_hover	= new Image();	menu_currenttopics_hover.src	= "img/menu_currenttopics_hover.gif";
	menu_modeling			    = new Image();	menu_modeling.src			    = "img/menu_modeling.gif";
	menu_modeling_on		    = new Image();	menu_modeling_on.src		    = "img/menu_modeling_on.gif";
	menu_modeling_hover		    = new Image();	menu_modeling_hover.src		    = "img/menu_modeling_hover.gif";
	menu_publications			= new Image();	menu_publications.src			= "img/menu_publications.gif";
	menu_publications_on		= new Image();	menu_publications_on.src		= "img/menu_publications_on.gif";
	menu_publications_hover		= new Image();	menu_publications_hover.src		= "img/menu_publications_hover.gif";
	menu_contact				= new Image();	menu_contact.src				= "img/menu_contact.gif";
	menu_contact_on				= new Image();	menu_contact_on.src				= "img/menu_contact_on.gif";
	menu_contact_hover			= new Image();	menu_contact_hover.src			= "img/menu_contact_hover.gif";
	menu_guestbook				= new Image();	menu_guestbook.src				= "img/menu_guestbook.gif";
	menu_guestbook_on			= new Image();	menu_guestbook_on.src			= "img/menu_guestbook_on.gif";
	menu_guestbook_hover		= new Image();	menu_guestbook_hover.src		= "img/menu_guestbook_hover.gif";
	menu_links					= new Image();	menu_links.src					= "img/menu_links.gif";
	menu_links_on				= new Image();	menu_links_on.src				= "img/menu_links_on.gif";
	menu_links_hover			= new Image();	menu_links_hover.src			= "img/menu_links_hover.gif";
}