/*
 * Mark external Links and set Title
 */
var ie5 = (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) == 4 && navigator.appVersion.indexOf("MSIE 5.0") != -1);
var ie55 = (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) == 4 && navigator.appVersion.indexOf("MSIE 5.5") != -1);
var ie6 = (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) == 4 && navigator.appVersion.indexOf("MSIE 6.0") != -1);

if (!ie5) {
	jQuery(document).ready(function(){
		jQuery("a[rel='external']").each(function(i){
			if (typeof jQuery(this).attr('title') == "undefined" )
				jQuery(this).attr('title',jQuery(this).attr('href')+'    (external link)');
			else
				jQuery(this).attr('title',jQuery(this).attr('title')+'    (external link)');
			jQuery(this).append('<span class="external" title="'+jQuery(this).attr('title')+'">&nbsp;</span>').click(function(){
				window.open(jQuery(this).attr('href')); return false;
			});
		});
	});
}


/*  Main Menu */
var timeout	= 500;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
//	document.getElementById("category-nav").innerHTML = document.getElementById("menu1").innerHTML;
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.display = 'none';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.display = '';
}
// close showed layer
function mclose()
{
//    document.getElementById("category-nav").innerHTML = '<a href="javascript:void(0);" title="Projects Section" onmouseover="mopen(\'sub_m1\');" onmouseout="mclose();">Projects Section</a>';
	if(ddmenuitem) ddmenuitem.style.display = 'none';
}

// go close timer
function mclosetime()
{
//    document.getElementById("category-nav").innerHTML = '<a href="javascript:void(0);" title="Projects Section" onmouseover="mopen(\'sub_m1\');" onmouseout="mclose();">Projects Section</a>';
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose;