<!--
/* **********************************************************************************
   This file contains common javascript functions used throughout the OAC website.
   to link to this file add the following line within the head of the html document:

   <script language="JavaScript" src="../oac.js"></script>

   NSD 05-12-2000
 ********************************************************************************** */


		if(document.images)
			{
	    		var i=0;
			var number_of_overs=5;
			var art_over_path='images/homepage/topnav/topnav_over';
			var art_out_path='images/homepage/topnav/topnav_out';

			top_nav_over_img=new Array(number_of_overs);
			top_nav_out_img=new Array(number_of_overs);

			for(i=1;i<=number_of_overs;i++)
				{
				top_nav_over_img[i]=new Image();
				top_nav_over_img[i].src=art_over_path+i+'.gif';

				top_nav_out_img[i]=new Image();
				top_nav_out_img[i].src=art_out_path+i+'.gif';
				}
			}



function top_nav_over(i)
	{
	if(document.images) document.images["top_nav"+i].src=top_nav_over_img[i].src;
	}


function top_nav_out(i)
	{
	if(document.images) document.images["top_nav"+i].src=top_nav_out_img[i].src;
	}
	
//____________________________________________________________________________________________
	
	
	if(document.images)
				{
		    		var i=0;
				var number_of_overs=1;
				var art_over_path='images/homepage/midnav_over';
				var art_out_path='images/homepage/midnav_out';
	
				mid_nav_over_img=new Array(number_of_overs);
				mid_nav_out_img=new Array(number_of_overs);
	
				for(i=1;i<=number_of_overs;i++)
					{
					mid_nav_over_img[i]=new Image();
					mid_nav_over_img[i].src=art_over_path+i+'.gif';
	
					mid_nav_out_img[i]=new Image();
					mid_nav_out_img[i].src=art_out_path+i+'.gif';
					}
				}
	
	
	
	function mid_nav_over(i)
		{
		if(document.images) document.images["mid_nav"+i].src=mid_nav_over_img[i].src;
		}
	
	
	function mid_nav_out(i)
		{
		if(document.images) document.images["mid_nav"+i].src=mid_nav_out_img[i].src;
	}
	
	
//____________________________________________________________________________________________
	

	
//-->
