if (document.images) {
		
	//tab images
		img1on = new Image();		img1on.src = "/english/social/diversity/images/hlanguage.gif";  
		img2on = new Image();		img2on.src = "/english/social/diversity/images/htocab.gif";  
		img3on = new Image();		img3on.src = "/english/social/diversity/images/hcontact.gif";  
		
        img1off = new Image();		img1off.src = "/english/social/diversity/images/language.gif"; 
		img2off = new Image(); 		img2off.src = "/english/social/diversity/images/tocab.gif";
		img3off = new Image(); 		img3off.src = "/english/social/diversity/images/contact.gif";
	
		
	//menu images
        img10on = new Image();		img10on.src = "/english/social/diversity/images/leftnav/hdisabilities.gif";  
		img11on = new Image();		img11on.src = "/english/social/diversity/images/leftnav/hresources.gif";  
		img12on = new Image();		img12on.src = "/english/social/diversity/images/leftnav/hhome.gif";
		img13on = new Image();		img13on.src = "/english/social/diversity/images/leftnav/hmedia.gif";
		img14on = new Image();		img14on.src = "/english/social/diversity/images/leftnav/hinitiatives.gif";
		img15on = new Image();		img15on.src = "/english/social/diversity/images/leftnav/htaskforce.gif";
		img16on = new Image();		img16on.src = "/english/social/diversity/images/leftnav/hindustrydoing.gif";
		img17on = new Image();		img17on.src = "/english/social/diversity/images/leftnav/hevents.gif";
		img18on = new Image();		img18on.src = "/english/social/diversity/images/leftnav/hreport.gif";
		img19on = new Image();		img19on.src = "/english/social/diversity/images/leftnav/hawards.gif";
		img20on = new Image();		img20on.src = "/english/social/diversity/images/leftnav/hupdate.gif";
		img21on = new Image();		img21on.src = "/english/social/diversity/images/leftnav/hwnew.gif";
		
        img10off = new Image();		img10off.src = "/english/social/diversity/images/leftnav/disabilities.gif"; 
		img11off = new Image(); 	img11off.src = "/english/social/diversity/images/leftnav/resources.gif"; 
		img12off = new Image();		img12off.src = "/english/social/diversity/images/leftnav/home.gif";
		img13off = new Image();		img13off.src = "/english/social/diversity/images/leftnav/media.gif";
		img14off = new Image();		img14off.src = "/english/social/diversity/images/leftnav/initiatives.gif";
		img15off = new Image();		img15off.src = "/english/social/diversity/images/leftnav/taskforce.gif";
		img16off = new Image();		img16off.src = "/english/social/diversity/images/leftnav/industrydoing.gif";
		img17off = new Image();		img17off.src = "/english/social/diversity/images/leftnav/events.gif";
		img18off = new Image();		img18off.src = "/english/social/diversity/images/leftnav/report.gif";
		img19off = new Image();		img19off.src = "/english/social/diversity/images/leftnav/awards.gif";
		img20off = new Image();		img20off.src = "/english/social/diversity/images/leftnav/update.gif";
		img21off = new Image();		img21off.src = "/english/social/diversity/images/leftnav/wnew.gif";
		
		
			
}


var lockedImg = "";

function imgOn(imgName) {
	if (document.images) {
			document[imgName].src = eval(imgName + "on.src");
	}
}

function imgOff(imgName) {
	if (document.images) {
	    if(lockedImg != imgName){
			document[imgName].src = eval(imgName + "off.src");
		}
	}
}


function lockImg(imgName)	{
	document[imgName].src = eval(imgName + "on.src");
	lockedImg = imgName;
}