//this is for main page javascript

//check out the resolution;
 
var bestwidth = 1024;
var bestheight = 768;
var agree=false;
 

if (screen.width < bestwidth || screen.height < bestheight) 
{

msg = "This site looks best when your screen "
+ "is set to a " + bestwidth + "x" + bestheight + " resolution, "
+ "but your screen resolution is " + screen.width + "x"
+ screen.height + ". "
+ "Do you want to continue?";
 

agree=confirm(msg);

if (agree != true)
{
  window.history.go(-1);
}

}

//this is to download the images

  if (document.images)
   {
     pic1on= new Image(43,40);
     pic1on.src="images/mainbuttonOff.jpg";  

     pic1off= new Image(43,40);
     pic1off.src="images/mainbuttonOn.jpg";
   }

function lightup(imgName)
 {
   if (document.images)
    {
      //imgOn=eval(imgName + "on.src");
      document[imgName].src= "images/mainbuttonon.jpg";
    }
 }

function turnoff(imgName)
 {
   if (document.images)
    {
      //imgOff=eval(imgName + "off.src");
      document[imgName].src= "images/mainbuttonoff.jpg";
    }
 }