function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		header_04_over = newImage("images/header_04_over.gif");
		header_05_over = newImage("images/header_05_over.gif");
		header_06_over = newImage("images/header_06_over.gif");
		header_06a_over = newImage("images/header_06a_over.gif");		
		header_07_over = newImage("images/header_07_over.gif");
		header_08_over = newImage("images/header_08_over.gif");
		header_09_over = newImage("images/header_09_over.gif");
		header_10_over = newImage("images/header_10_over.gif");
		header_12_over = newImage("images/header_12_over.gif");		
		header_12a_over = newImage("images/header_12a_over.gif");		
		subnav_about_01_over = newImage("images/subnav_about_01_over.gif");
		subnav_about_02_over = newImage("images/subnav_about_02_over.gif");		
		subnav_about_03_over = newImage("images/subnav_about_03_over.gif");
		subnav_about_04_over = newImage("images/subnav_about_04_over.gif");		
		subnav_dl_01_over = newImage("images/subnav_dl_01_over.gif");
		subnav_dl_02_over = newImage("images/subnav_dl_02_over.gif");
		subnav_help_01_over = newImage("images/subnav_help_01_over.gif");
		subnav_help_02_over = newImage("images/subnav_help_02_over.gif");						
		subnav_help_03_over = newImage("images/subnav_help_03_over.gif");
		subnav_corporate_01_over = newImage("images/subnav_corporate_01_over.gif");
		subnav_corporate_02_over = newImage("images/subnav_corporate_02_over.gif");
		subnav_corporate_03_over = newImage("images/subnav_corporate_03_over.gif");				
		preloadFlag = true;
	}
}

function repositionNAV() {
	var width = (document.width)? document.width : document.body.clientWidth;
	var leftgutterDL = ((width-759)/2)+310;
	var leftgutterHELP = ((width-759)/2)+579;	
	var leftgutterCORPORATE = ((width-759)/2)+624;
	var leftgutterABOUT = ((width-759)/2)+221;	
		
	leftgutterDL = Math.floor(leftgutterDL);
	leftgutterHELP = Math.floor(leftgutterHELP);	
	leftgutterCORPORATE = Math.floor(leftgutterCORPORATE);
	leftgutterABOUT = Math.floor(leftgutterABOUT);	
	
	var picDL = document.getElementById("Layer1");
	picDL.style.left = leftgutterDL + "px";
	
	var picHELP = document.getElementById("Layer2");
	picHELP.style.left = leftgutterHELP + "px";
	
	var picCORPORATE = document.getElementById("Layer3");
	picCORPORATE.style.left = leftgutterCORPORATE + "px";
	
	var picABOUT = document.getElementById("Layer4");
	picABOUT.style.left = leftgutterABOUT + "px";		
}

var initialSubClick = 0;
function hideall() // 1 visible, 0 hidden
{
	if (initialSubClick == 1)	
	{
		clearTimeout(the_timeout);
	    if(document.layers)	   //NN4+
    	{
			document.layers["Layer1"].visibility = "hide";
			document.layers["Layer2"].visibility = "hide";
			document.layers["Layer3"].visibility = "hide";
			document.layers["Layer4"].visibility = "hide";			
    	}
	    else if(document.getElementById)	  //gecko(NN6) + IE 5+
    	{
			document.getElementById("Layer1").style.visibility = "hidden";
			document.getElementById("Layer2").style.visibility = "hidden";
			document.getElementById("Layer3").style.visibility = "hidden";			
			document.getElementById("Layer4").style.visibility = "hidden";			
   		}
	    else if(document.all)	// IE 4
    	{
        	document.all["Layer1"].style.visibility = "hidden";
	        document.all["Layer2"].style.visibility = "hidden";	
	        document.all["Layer3"].style.visibility = "hidden";			
	        document.all["Layer4"].style.visibility = "hidden";			
    	}
	}
	else if (initialSubClick == 0)
	{
		if(document.layers)	   //NN4+
	    {
			document.layers["Layer1"].visibility = "hide";
			document.layers["Layer2"].visibility = "hide";	   	   	   
			document.layers["Layer3"].visibility = "hide";
			document.layers["Layer4"].visibility = "hide";			
	    }
    	else if(document.getElementById)	  //gecko(NN6) + IE 5+
	    {
			document.getElementById("Layer1").style.visibility = "hidden";
			document.getElementById("Layer2").style.visibility = "hidden";
			document.getElementById("Layer3").style.visibility = "hidden";			
			document.getElementById("Layer4").style.visibility = "hidden";			
	    }
    	else if(document.all)	// IE 4
	    {
    	    document.all["Layer1"].style.visibility = "hidden";
        	document.all["Layer2"].style.visibility = "hidden";	
        	document.all["Layer3"].style.visibility = "hidden";			
        	document.all["Layer4"].style.visibility = "hidden";						
	    }
	}
}

function hide(LayerID)
{
	the_timeout = setTimeout("toggleBox('" + LayerID + "', 0);",1200);
	initialSubClick = 1;
}

function show()
{
	clearTimeout(the_timeout);
}

function toggleBox(szDivID, iState) // 1 visible, 0 hidden
{
    if(document.layers)	   //NN4+
    {
       document.layers[szDivID].visibility = iState ? "show" : "hide";
    }
    else if(document.getElementById)	  //gecko(NN6) + IE 5+
    {
        var obj = document.getElementById(szDivID);
        obj.style.visibility = iState ? "visible" : "hidden";
    }
    else if(document.all)	// IE 4
    {
        document.all[szDivID].style.visibility = iState ? "visible" : "hidden";
    }
}


function popWindow(fileName, popupName, height, width) { 
	window.open(fileName, popupName, 'width=' + width + ',height=' + height + ',scrollbars=no,resize=no,toolbar=no');
}

function referrer()
{
	if ("undefined" == typeof(logoImage) || null == logoImage)
	document.write("<img src=\"" + "http://www.directassist.com.au/images/header_02.gif" + "\" width=\"182\" height=\"125\">");
	else
	document.write("<img src=\"" + logoImage + "\" width=\"182\" height=\"125\">");	
}