function MakeImageArray(n) 
            {
                if (document.images)
                    {
                    this.length = n
                    for (var i=1; i<=n; i++) 
                            {
                      		this[i] = new Image()
                     		}
                    return this
                }
            }
            
            
function PreLoad(path)
            {
            if(document.images)
                    {
                    baseoff = new MakeImageArray(6);
                    baseover = new MakeImageArray(6);
                    baseout = new MakeImageArray(6);
                    
                    for (var i=1;i<=6; i++)
                            {
                             baseoff[i].src = path +"images/nav/base"+i+"off.gif";
                             baseover[i].src = path +"images/nav/base"+i+"over.gif";
                             baseout[i].src = path +"images/nav/base"+i+".gif"
                            }
                    }
             }      


function mover(num) 
            {
                if (document.images) 
                   {
                   if(document.images['baseb'+num].src != baseoff[num].src)
                   		{
                   		document.images['baseb'+num].src = baseover[num].src;
                   		}
                   }
            }
            

function mout(num) 
            {
                if (document.images)  
                    {
                    if(document.images['baseb'+num].src != baseoff[num].src)
                    	{
                  		document.images['baseb'+num].src = baseout[num].src;
                  		}
                    }                
               }