if (document.images) {
     		
     		homeon= new Image();
     		homeon.src="global/images/hometab_hov.png";  
     		homeoff= new Image();
     		homeoff.src="global/images/hometab.png";
     		
     		hometron= new Image();
     		hometron.src="global/images/hometab_hov_tr.png";  
     		hometroff= new Image();
     		hometroff.src="global/images/hometab_tr.png";
     		
     		homezhon= new Image();
     		homezhon.src="global/images/hometab_hov_zh.png";  
     		homezhoff= new Image();
     		homezhoff.src="global/images/hometab_zh.png";
     		
     		
     		whatison= new Image();
     		whatison.src="global/images/wittab_hov.png";  
     		whatisoff= new Image();
     		whatisoff.src="global/images/wittab.png";
     		
     		whatistron= new Image();
     		whatistron.src="global/images/wittab_hov_tr.png";  
     		whatistroff= new Image();
     		whatistroff.src="global/images/wittab_tr.png";
     		
     		whatiszhon= new Image();
     		whatiszhon.src="global/images/wittab_hov_zh.png";  
     		whatiszhoff= new Image();
     		whatiszhoff.src="global/images/wittab_zh.png";
     		
     		downloadon= new Image();
     		downloadon.src="global/images/downloadtab_hov.png";  
     		downloadoff= new Image();
     		downloadoff.src="global/images/downloadtab.png";
     		
     		downloadtron= new Image();
     		downloadtron.src="global/images/downloadtab_hov_tr.png";  
     		downloadtroff= new Image();
     		downloadtroff.src="global/images/downloadtab_tr.png";
     		
     		downloadzhon= new Image();
     		downloadzhon.src="global/images/downloadtab_hov_zh.png";  
     		downloadzhoff= new Image();
     		downloadzhoff.src="global/images/downloadtab_zh.png";
     		
     		joinon= new Image();
     		joinon.src="global/images/jttab_hov.png";  
     		joinoff= new Image();
     		joinoff.src="global/images/jttab.png";
     		
     		jointron= new Image();
     		jointron.src="global/images/jttab_hov_tr.png";  
     		jointroff= new Image();
     		jointroff.src="global/images/jttab_tr.png";
     				
     		joinzhon= new Image();
     		joinzhon.src="global/images/jttab_hov_zh.png";  
     		joinzhoff= new Image();
     		joinzhoff.src="global/images/jttab_zh.png";
     		
     		countrieson= new Image();
     		countrieson.src="global/images/countriestab_hov.png";  
     		countriesoff= new Image();
     		countriesoff.src="global/images/countriestab.png";
     		
     		countriestron= new Image();
     		countriestron.src="global/images/countriestab_hov_tr.png";  
     		countriestroff= new Image();
     		countriestroff.src="global/images/countriestab_tr.png";
     		
     		countrieszhon= new Image();
     		countrieszhon.src="global/images/countriestab_hov_zh.png";  
     		countrieszhoff= new Image();
     		countrieszhoff.src="global/images/countriestab_zh.png";
     		
     		viewadon= new Image();
     		viewadon.src="global/images/vatab_hov.png";  
     		viewadoff= new Image();
     		viewadoff.src="global/images/vatab.png";
     		
     		viewadtron= new Image();
     		viewadtron.src="global/images/vatab_hov_tr.png";  
     		viewadtroff= new Image();
     		viewadtroff.src="global/images/vatab_tr.png";
     		     		
     		viewadzhon= new Image();
     		viewadzhon.src="global/images/vatab_hov_zh.png";  
     		viewadzhoff= new Image();
     		viewadzhoff.src="global/images/vatab_zh.png";
     		
     		mytuitalkon= new Image();
     		mytuitalkon.src="global/images/mptab_hov.png";  
     		mytuitalkoff= new Image();
     		mytuitalkoff.src="global/images/mptab.png";
     		
     		mytuitalktron= new Image();
     		mytuitalktron.src="global/images/mptab_hov_tr.png";  
     		mytuitalktroff= new Image();
     		mytuitalktroff.src="global/images/mptab_tr.png";
     		     		
     		mytuitalkzhon= new Image();
     		mytuitalkzhon.src="global/images/mptab_hov_zh.png";  
     		mytuitalkzhoff= new Image();
     		mytuitalkzhoff.src="global/images/mptab_zh.png";
     		
     		tron= new Image();
     		tron.src="global/images/flagTr_hover.png";  
     		troff= new Image();
     		troff.src="global/images/flagTr_normal.png";
     		
     		mobiletabon= new Image();
     		mobiletabon.src="global/images/mobiletab_hover.png";  
     		mobiletaboff= new Image();
     		mobiletaboff.src="global/images/mobiletab.png";
     		
     		mobiletabzhon= new Image();
     		mobiletabzhon.src="global/images/mobiletab_hov_zh.gif";  
     		mobiletabzhoff= new Image();
     		mobiletabzhoff.src="global/images/mobiletab_zh.gif";
     
     	
   		}