if( document.images )
{
  but1 = new Image() ;
  but1.src = "/images/topban_btn1_off.gif";
  but2 = new Image() ;
  but2.src = "/images/topban_btn1_on.gif";

  but3 = new Image() ;
  but3.src = "/images/topban_btn2_off.gif";
  but4 = new Image() ;
  but4.src = "/images/topban_btn2_on.gif";

  but5 = new Image() ;
  but5.src = "/images/topban_btn3_off.gif";
  but6 = new Image() ;
  but6.src = "/images/topban_btn3_on.gif"; 

  but7 = new Image() ;
  but7.src = "/images/topban_btn4_off.gif";
  but8 = new Image() ;
  but8.src = "/images/topban_btn4_on.gif";
  
  but9 = new Image() ;
  but9.src = "/images/topban_btn5_off.gif";
  but10 = new Image() ;
  but10.src = "/images/topban_btn5_on.gif";
  
  but11 = new Image() ;
  but11.src = "/images/topban_btn6_off.gif";
  but12 = new Image() ;
  but12.src = "/images/topban_btn6_on.gif";
  
  but13 = new Image() ;
  but13.src = "/images/topban_btn7_off.gif";
  but14 = new Image() ;
  but14.src = "/images/topban_btn7_on.gif";
}

function HighlightPage()
{
	if(window.current_page)
	{
		var leng = current_page.length - 1;
		var number = current_page.charAt(leng);
		number = number*2;
		document.images[current_page].src = eval('but'+number+'.src')
	}
}
function chkVer(imagename,objectsrc)
{
	var n = navigator.appName
	var v = parseInt(navigator.appVersion)
	var browsok = ((n=="Netscape")&&(v>=3))
	var browsok2 = ((n=="Microsoft Internet Explorer")&&(v>=4))
	if ((browsok)||(browsok2))
	{	
		if(window.current_page)
		{
			if(imagename != current_page)
				document.images[imagename].src = eval(objectsrc+".src")
		}
		else
			document.images[imagename].src = eval(objectsrc+".src")
	}
}