if (document.images) {
		
	//tab images
		img1on = new Image();		img1on.src = "/english/images/topnav/hlanguage.gif";  
		img2on = new Image();		img2on.src = "/english/images/topnav/hsitemap.gif";  
		img3on = new Image();		img3on.src = "/english/images/topnav/hmembers.gif";
		img4on = new Image(); 		img4on.src = "/english/images/topnav/hcontact.gif";
		img5on = new Image(); 		img5on.src = "/english/images/topnav/hhome.gif";
		
        img1off = new Image();		img1off.src = "/english/images/topnav/language.gif"; 
		img2off = new Image(); 		img2off.src = "/english/images/topnav/sitemap.gif"; 
		img3off = new Image();		img3off.src = "/english/images/topnav/members.gif";
		img4off = new Image();		img4off.src = "/english/images/topnav/contact.gif";
		img5off = new Image();		img5off.src = "/english/images/topnav/home.gif";
	
		
		
		
	//menu images
        img10on = new Image();		img10on.src = "/english/images/leftnav/habout.gif";  
		img11on = new Image();		img11on.src = "/english/images/leftnav/hmedia.gif";  
		img12on = new Image();		img12on.src = "/english/images/leftnav/hradio.gif";
		img13on = new Image(); 		img13on.src = "/english/images/leftnav/htelevision.gif";
		img14on = new Image();		img14on.src = "/english/images/leftnav/hspecialty.gif";
	    img15on = new Image();		img15on.src = "/english/images/leftnav/hcopyright.gif";
		img16on = new Image();		img16on.src = "/english/images/leftnav/hresearch.gif";
		img17on = new Image();		img17on.src = "/english/images/leftnav/hsocietal.gif";
		img18on = new Image();		img18on.src = "/english/images/leftnav/hlinks_members.gif";
		img19on = new Image();		img19on.src = "/english/images/leftnav/hconvention.gif";
		img20on = new Image();		img20on.src = "/english/images/leftnav/hbenefits.gif";
		img22on = new Image();		img22on.src = "/english/images/leftnav/hkeyissues.gif";
		img23on = new Image();		img23on.src = "/english/images/leftnav/hlinks_industry.gif";
		
        img10off = new Image();		img10off.src = "/english/images/leftnav/about.gif"; 
		img11off = new Image(); 	img11off.src = "/english/images/leftnav/media.gif"; 
		img12off = new Image();		img12off.src = "/english/images/leftnav/radio.gif";
		img13off = new Image();		img13off.src = "/english/images/leftnav/television.gif";
		img14off = new Image();		img14off.src = "/english/images/leftnav/specialty.gif";
        img15off = new Image();		img15off.src = "/english/images/leftnav/copyright.gif";
		img16off = new Image();		img16off.src = "/english/images/leftnav/research.gif";
		img17off = new Image();		img17off.src = "/english/images/leftnav/societal.gif";
		img18off = new Image();		img18off.src = "/english/images/leftnav/links_members.gif";
		img19off = new Image();		img19off.src = "/english/images/leftnav/convention.gif";
		img20off = new Image();		img20off.src = "/english/images/leftnav/benefits.gif";
		img22off = new Image();		img22off.src = "/english/images/leftnav/keyissues.gif";
		img23off = new Image();		img23off.src = "/english/images/leftnav/links_industry.gif";
		
		
		
		
		

				
		
		
	// members section	left nav
		img48on = new Image();		img48on.src = "/english/images/members/leftnav/hbenefits.gif";
		img49on = new Image();		img49on.src = "/english/images/members/leftnav/hpulse.gif";
		img50on = new Image();		img50on.src = "/english/images/members/leftnav/hpublications.gif";  
		img51on = new Image();		img51on.src = "/english/images/members/leftnav/hapts.gif";  
		img52on = new Image();		img52on.src = "/english/images/members/leftnav/hboards.gif";
		img53on = new Image(); 		img53on.src = "/english/images/members/leftnav/hcopyright.gif";
		img54on = new Image();		img54on.src = "/english/images/members/leftnav/hcab101.gif";
	    img55on = new Image();		img55on.src = "/english/images/members/leftnav/hsmallmarket.gif";
		img56on = new Image();		img56on.src = "/english/images/members/leftnav/hstanding.gif";
		img57on = new Image();		img57on.src = "/english/images/members/leftnav/hkeyissues.gif";
		img58on = new Image();		img58on.src = "/english/images/members/leftnav/hadvocacy.gif";
		img59on = new Image();		img59on.src = "/english/images/members/leftnav/hradio.gif";
		img60on = new Image();		img60on.src = "/english/images/members/leftnav/htelevision.gif";
		img61on = new Image();		img61on.src = "/english/images/members/leftnav/hspecialty.gif";
		img62on = new Image();		img62on.src = "/english/images/members/leftnav/hgoals.gif";
		img63on = new Image();		img63on.src = "/english/images/members/leftnav/hwnew.gif";
		img64on = new Image();		img64on.src = "/english/images/members/leftnav/hactivities.gif";
		img65on = new Image();		img65on.src = "/english/images/members/leftnav/hcontacts.gif";
		img70on = new Image();		img70on.src = "/english/images/members/leftnav/hresearch.gif";
		
        img48off = new Image();		img48off.src = "/english/images/members/leftnav/benefits.gif";
		img49off = new Image();		img49off.src = "/english/images/members/leftnav/pulse.gif";
		img50off = new Image();		img50off.src = "/english/images/members/leftnav/publications.gif"; 
		img51off = new Image(); 	img51off.src = "/english/images/members/leftnav/apts.gif";
		img52off = new Image();		img52off.src = "/english/images/members/leftnav/boards.gif";
		img53off = new Image();		img53off.src = "/english/images/members/leftnav/copyright.gif";
		img54off = new Image();		img54off.src = "/english/images/members/leftnav/cab101.gif";
        img55off = new Image();		img55off.src = "/english/images/members/leftnav/smallmarket.gif";
		img56off = new Image();		img56off.src = "/english/images/members/leftnav/standing.gif";
		img57off = new Image();		img57off.src = "/english/images/members/leftnav/keyissues.gif";
		img58off = new Image();		img58off.src = "/english/images/members/leftnav/advocacy.gif";
		img59off = new Image();		img59off.src = "/english/images/members/leftnav/radio.gif";
		img60off = new Image();		img60off.src = "/english/images/members/leftnav/television.gif";
		img61off = new Image();		img61off.src = "/english/images/members/leftnav/specialty.gif";
		img62off = new Image();		img62off.src = "/english/images/members/leftnav/goals.gif";
		img63off = new Image();		img63off.src = "/english/images/members/leftnav/wnew.gif";
		img64off = new Image();		img64off.src = "/english/images/members/leftnav/activities.gif";
		img65off = new Image();		img65off.src = "/english/images/members/leftnav/contacts.gif";
		img70off = new Image();		img70off.src = "/english/images/members/leftnav/research.gif";
					
}


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

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