function preloadImages() 
{
 	var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function preloadMenutop()
{
	preloadImages('medias/art/practice_over1.gif', 'medias/art/theory_over1.gif', 'medias/art/practice_over2.gif', 'medias/art/theory_over2.gif', 'medias/art/about_over.gif','medias/art/news_over.gif', 'medias/art/contact_over.gif', 'medias/art/projects_over.gif', 'medias/art/research_over.gif', 'medias/art/academic_over.gif', 'medias/art/publications_over.gif');
}

function equalize() 
{
	var news_list = document.getElementById('newslist');
	var news_menu = document.getElementById('newsmenu');

	//if(document.getElementById('sponsors')) var content = document.getElementById('sponsors');
	
	var hnl = news_list.offsetHeight;
	var hnm = news_menu.offsetHeight;

	if(hnl > hnm) news_menu.style.height = (hnl - 50) +'px';
	else 
	{
		news_list.style.height = (hnm) + 'px';
		news_list.style.background = '#FFFFFF';
	}
}

function displaySubmenu(id)
{
	var folder_art = 'medias/art/';
	var html = '<ul>';

	if(id == 0)
	{
		html += '<li><a href=""><a href="projects.php?mp=0"><img src="'+folder_art+'projects.gif'+'"></a><li>';
		html += '<li><a href=""><a href="projects.php?mp=0"><img src="'+folder_art+'research.gif'+'"></a><li>';
	}

	html += '</ul>';
	
	fillElement('showcase_submenu', html);
}

function displayMedias(idparent, idmedia)
{
	var media = mediaslist[idparent][idmedia];
	displayMedia(idparent, media.path, media.width, media.height);
	displayMediasMenu(idparent, idmedia);
}

function displayMediasMenu(idparent, idmedia)
{
	var parent = 'media_menu'+idparent;
	
	var medias = mediaslist[idparent];
	
	var html = '<ul>';
	
	var nummedias = medias.length;
	
	html += '<li style="padding: 0 1px 0 0;">';
	
	if(idmedia) html += '<a href="javascript:displayMedias('+idparent+','+(idmedia-1)+');" class="arrow"><</a>';
	else html += '<span class="arrow"><</span>';
	
	html += '</li>';
	
	html += '<li style="padding: 0 10px 0 0;">';
	
	if(idmedia < nummedias - 1) html += '<a href="javascript:displayMedias('+idparent+','+(idmedia+1)+');" class="arrow">></a> ';
	else html += '<span class="arrow">></span>';
	
	html += '</li>';
	
	for(var i=0; i<nummedias; i++)
	{
		var num = i+1;
		
		html += '<li>';
		
		if(i == idmedia) html += '<span class="selected">'+num+'</span>';
		else html += '<a href="javascript:displayMedias('+idparent+', '+i+');" class="number">'+num+'</a>';
		
		html += '</li>';
				
		if(i != nummedias - 1) html += '<li>/</li>';
	}	
	
	html += '</ul>';
	
	fillElement(parent, html);
}

function displayMedia(idparent, path, width, height)
{
	var parent = 'media_img'+idparent;
	var html = '<img src="'+path+'" width="'+width+'" height="'+height+'" class="media2">';
	fillElement(parent, html);
}

function fillElement(parent, content)
{
	var parentDiv = document.getElementById(parent);	
	parentDiv.innerHTML = content;
}