// Copyright 2006-2007 javascript-array.com
// - DropDownMenu -

var timeout		= 500;
var closetimer		= 0;
var ddsubmenuitem	= 0;
var ddsubsubmenuitem 	= 0;

// open hidden layer
function mopen(parentControl, id) {	
	// position and width of the parent control
	var parentPosition = findPos(parentControl);
	var parentWidth = parseInt(parentControl.style.width);
	if(!parentWidth) parentWidth = parseInt(parentControl.offsetWidth);
	if(!parentWidth) parentWidth = 250;

	// cancel close timer
	mcancelclosetime();

	// close old layer(s)
	if(id.indexOf('subsubmenu')<0) {
		if(ddsubsubmenuitem) { ddsubsubmenuitem.style.visibility = 'hidden'; ddsubsubmenuitem = null; }
		if(ddsubmenuitem) { ddsubmenuitem.style.visibility = 'hidden'; ddsubmenuitem = null; }
	}

	// get new layer and show it
	if(id.indexOf('subsubmenu')>=0) { 
		// - sub-sub-menu item
		ddsubsubmenuitem = document.getElementById(id);
		ddsubsubmenuitem.style.left = parseInt(parentPosition[0])+parentWidth+'px';
		ddsubsubmenuitem.style.top = parseInt(parentPosition[1])+1+'px';
		ddsubsubmenuitem.style.width = parentWidth+'px';
		ddsubsubmenuitem.style.visibility = 'visible';
	} else {
		// - sub-menu item
		ddsubmenuitem = document.getElementById(id);
		ddsubmenuitem.style.left = parentPosition[0]+'px';
		ddsubmenuitem.style.top = parentPosition[1]+55+'px';
		ddsubmenuitem.style.width = parentWidth+'px';
		ddsubmenuitem.style.visibility = 'visible';
	}
}

// close showed layer(s)
function mclose() {
	if(ddsubsubmenuitem) { ddsubsubmenuitem.style.visibility = 'hidden'; ddsubsubmenuitem = null; }
	if(ddsubmenuitem) { ddsubmenuitem.style.visibility = 'hidden'; ddsubmenuitem = null; }
}

// go close timer
function mclosetime() {
	closetimer = window.setTimeout(mclose, timeout);
}

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

// find the position of an object
function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		do {
			curleft += obj.offsetLeft;
			curtop += obj.offsetTop;
		} while (obj = obj.offsetParent);
	}	
	return [curleft,curtop];
}
	
// close layer when click-out
document.onclick = mclose;

// - Expand/Collapse -
function ExpandCollapse(tr){
	var currentDisplay = document.getElementById(tr).style.display;
	if (currentDisplay != null && currentDisplay == 'none') {
	    document.getElementById(tr).style.display = '';
	} else {
	    document.getElementById(tr).style.display = 'none';
	}
}

// - Pre-Load Images -
function MM_swapImgRestore() { //v3.0
	var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
	var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
	var i,j=d.MM_p.length,a=MM_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 MM_findObj(n, d) { //v4.01
	var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
	d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
	if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
	for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
	if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
	var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
	if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}