function show_submenu(id)
{
	clear_sub_timeout();
	var oSub = document.getElementById(id);
	if(oSub) oSub.style.display = 'block';
}

function hide_submenu(id,oTime)
{
	if(typeof oTime == 'undefined') oTime = 400;
	oSub = document.getElementById(id);
	if(oSub) oHideTimer = setTimeout("hide_it()",oTime);
}

function clear_sub_timeout() { 	if(typeof oHideTimer != 'undefined') clearTimeout(oHideTimer); }

function hide_it() { oSub.style.display = 'none';}

function hide_all_subs()
{
	for(i=0;i<oSubmenu_array.length;i++)
	{
		var oSub = document.getElementById(oSubmenu_array[i]);
		if(oSub) oSub.style.display = 'none';
	}
}


function showhide(id)
{
	t = document.getElementById(id);
	if(t.style.display == 'none') t.style.display = '';
	else t.style.display = 'none';
}


if(typeof oActive_insert == 'undefined') oActive_insert 	= new Object();
oActive_insert 	= function (src,type,width,height,params)
{
	this.oSrc 		= src;
	this.oType		= type;
	this.oWidth		= width;
	this.oHeight		= height;
	this.oParams		= params;

	this.init		= function()
	{
		this.oHTML 		= ''; // reset the html
		if(this.oParams == '' || typeof(this.oParams) == 'undefined') 	this.oParams = 'autoplay=\"0\" autostart=\"0\" wmode=\"transparent\"';
		if(this.oType == 'swf') this.getswf();
		if(this.oType == 'mov') this.getmov();
		if(this.oType == 'avi') this.getmov();
		if(this.oType == 'mpeg' || this.oType == 'mpg') this.getmpeg();
		if(this.oType == 'wmv') this.getwmv();
		document.write(this.oHTML);
	}

	this.getswf = function()
	{
        this.oHTML 		= '  <embed src="'+this.oSrc+'" '+ this.oParams +' pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash" type="application/x-shockwave-flash" width="'+this.oWidth+'" height="'+this.oHeight+'" />';
	}

	this.getmov = function()
	{
        this.oHTML 		= '  <embed src="'+this.oSrc+'" '+ this.oParams +' pluginspage="http://www.apple.com/quicktime/download/" type="video/quicktime" width="'+this.oWidth+'" height="'+this.oHeight+'" />';
	}

	this.getmpeg = function()
	{
        this.oHTML 		= '  <embed src="'+this.oSrc+'" '+ this.oParams +' pluginspage="http://www.microsoft.com/mac/otherproducts/otherproducts.aspx?pid=windowsmedia" type="video/quicktime" width="'+this.oWidth+'" height="'+this.oHeight+'" />';
	}

	this.getwmv = function()
	{
		this.oSrc = this.oSrc.replace("../../userfiles/",oAbspath+"userfiles/"); // op de een of andere manier werkt wmv alleen met absoluut pad
        this.oHTML 		= '  <embed src="'+this.oSrc+'" '+ this.oParams +' width="'+this.oWidth+'" height="'+this.oHeight+'" />';
	}

	this.init();
}

function backlink()
{
	oBl = document.getElementById('backlink');
	if(oBl)
	{
		if(window.history.length > 1)
		{
			oBl.style.display = '';
		}
	}

}

window.setTimeout('backlink()',400);