if(document.images){
		
		_login_on=new Image();
		_login_on.src="images/nav_l_client.gif";
		
		_login_off=new Image();
		_login_off.src="images/nav_client.gif";

		_passion_on=new Image();
		_passion_on.src="images/nav_l_passion.gif";
		
		_passion_off=new Image();
		_passion_off.src="images/nav_passion.gif";		
		
		_gallery_on=new Image();
		_gallery_on.src="images/nav_l_gallery.gif";
		
		_gallery_off=new Image();
		_gallery_off.src="images/nav_gallery.gif";		

		_why_on=new Image();
		_why_on.src="images/nav_l_why.gif";
		
		_why_off=new Image();
		_why_off.src="images/nav_why.gif";		

		_awards_on=new Image();
		_awards_on.src="images/nav_l_awards.gif";
		
		_awards_off=new Image();
		_awards_off.src="images/nav_awards.gif";		

		_story_on=new Image();
		_story_on.src="images/nav_l_story.gif";
		
		_story_off=new Image();
		_story_off.src="images/nav_story.gif";		

		_careers_on=new Image();
		_careers_on.src="images/nav_l_careers.gif";
		
		_careers_off=new Image();
		_careers_off.src="images/nav_careers.gif";		

		_contact_on=new Image();
		_contact_on.src="images/nav_l_contact.gif";
		
		_contact_off=new Image();
		_contact_off.src="images/nav_contact.gif";		

		_home_on=new Image();
		_home_on.src="images/nav_l_home.gif";
		
		_home_off=new Image();
		_home_off.src="images/nav_home.gif";
		}
		
		function img_act(imgName) {
		             {
					 if (document.images) { 
		             imgOn = eval(imgName + "on.src");
		             document [imgName].src = imgOn;}
		             }
		     }
		
		function img_inact(imgName) {
		             {
					if (document.images) { 
		             imgOff = eval(imgName + "off.src");
		             document [imgName].src = imgOff;}
		             }
		    }