function my_focus()	{
	self.focus();
	}


function my_print()	{
	window.print();
	}


function my_close()	{
	window.close();
	}


function IdSetOn(imgId,imgName,ext) 
{
 if (document.images) 
 {
    document[imgId].src = "images/navigation/"+imgName+"_on."+ext;
 }
}
 

 function IdSetOff(imgId,imgName,ext) 
{
 if (document.images) 
 {
  document[imgId].src = "images/navigation/"+imgName +"_off."+ext;
 }
}


function rollover(imgId,imgName,ext)
{
 if (document.images) 
 {
   document.write('<img src="images/navigation/'+imgName+'_off.'+ext+'" border="0" name="'+imgId+'" onMouseOver=IdSetOn("'+imgId+'","'+imgName+'","'+ext+'") onMouseOut=IdSetOff("'+imgId+'","'+imgName+'","'+ext+'")>');
 }
}