// ROLLOVER LIST & FUNCTIONS
browserName = navigator.appName;          
				browserVer = parseInt(navigator.appVersion);
				if ((browserName == "Netscape" && browserVer >= 4) || (browserName == "Microsoft Internet Explorer" && browserVer >= 4)) 
				{
				   hasImageObject = true;
				}
				else 
				{
				   hasImageObject = false;
				}
				               
				if (hasImageObject)
				{

			   // Main Nav
			   
  			grad_starting_salaries_off = new Image();
			  grad_starting_salaries_off.src = "/design/gradlink/images/ResearchCentre/nv_grad_starting_salaries_off.gif";
			  grad_starting_salaries_on = new Image();
			  grad_starting_salaries_on.src = "/design/gradlink/images/ResearchCentre/nv_grad_starting_salaries_on.gif";
				   
			   
  			grad_destination_off = new Image();
			  grad_destination_off.src = "/design/gradlink/images/ResearchCentre/nv_grad_destination_off.gif";
			  grad_destination_on = new Image();
			  grad_destination_on.src = "/design/gradlink/images/ResearchCentre/nv_grad_destination_on.gif";
				   
			   
  			course_experience_off = new Image();
			  course_experience_off.src = "/design/gradlink/images/ResearchCentre/nv_course_experience_off.gif";
			  course_experience_on = new Image();
			  course_experience_on.src = "/design/gradlink/images/ResearchCentre/nv_course_experience_on.gif";
				
           
  			postgrad_research_off = new Image();
			  postgrad_research_off.src = "/design/gradlink/images/ResearchCentre/nv_postgrad_research_off.gif";
			  postgrad_research_on = new Image();
			  postgrad_research_on.src = "/design/gradlink/images/ResearchCentre/nv_postgrad_research_on.gif";
					 
			   
  			postgrad_destination_off = new Image();
			  postgrad_destination_off.src = "/design/gradlink/images/ResearchCentre/nv_postgrad_destination_off.gif";
			  postgrad_destination_on = new Image();
			  postgrad_destination_on.src = "/design/gradlink/images/ResearchCentre/nv_postgrad_destination_on.gif";
				   
			   
  			grads_jobs_dollars_off = new Image();
			  grads_jobs_dollars_off.src = "/design/gradlink/images/ResearchCentre/nv_grads_jobs_dollars_off.gif";
			  grads_jobs_dollars_on = new Image();
			  grads_jobs_dollars_on.src = "/design/gradlink/images/ResearchCentre/nv_grads_jobs_dollars_on.gif";
         
  			
        reports_publications_off = new Image();
			  reports_publications_off.src = "/design/gradlink/images/ResearchCentre/nv_reports_publications_off.gif";
			  reports_publications_on = new Image();
			  reports_publications_on.src = "/design/gradlink/images/ResearchCentre/nv_reports_publications_on.gif";
        
        
        survey_newsletters_off = new Image();
			  survey_newsletters_off.src = "/design/gradlink/images/ResearchCentre/nv_survey_newsletters_off.gif";
			  survey_newsletters_on = new Image();
			  survey_newsletters_on.src = "/design/gradlink/images/ResearchCentre/nv_survey_newsletters_on.gif";
				  

  			discussion_forum_off = new Image();
			  discussion_forum_off.src = "/design/gradlink/images/ResearchCentre/nv_discussion_forum_off.gif";
			  discussion_forum_on = new Image();
			  discussion_forum_on.src = "/design/gradlink/images/ResearchCentre/nv_discussion_forum_on.gif";
				   
				    
  			xxxxxxx_off = new Image();
			  xxxxxxx_off.src = "/design/gradlink/images/ResearchCentre/nv_xxxxxxx_off.gif";
			  xxxxxxx_on = new Image();
			  xxxxxxx_on.src = "/design/gradlink/images/ResearchCentre/nv_xxxxxxx_on.gif";
				   
				    
  			xxxxxxx_off = new Image();
			  xxxxxxx_off.src = "/design/gradlink/images/ResearchCentre/nv_xxxxxxx_off.gif";
			  xxxxxxx_on = new Image();
			  xxxxxxx_on.src = "/design/gradlink/images/ResearchCentre/nv_xxxxxxx_on.gif";
				   
				}

// menu rollover functions	
	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");
		}
	}