var verm=0;
var vern=0;
if(navigator.appName=="Microsoft Internet Explorer")
 {
  var version=navigator.appVersion;
  var str=version.substring(version.indexOf("MSIE")+4,version.length-1);
  verm=parseInt(str);
 }
if (navigator.appName=="Netscape")
{
  vern=parseInt(navigator.appVersion);
}
if(verm >3 || vern>=3)
        version="3";
else
        version="2";

if (version=="3")
{
first_option_on=new Image(87,131);
first_option_on.src="Images/menu1on.gif";
first_option_off=new Image(87,131);
first_option_off.src="Images/menu1.gif";

second_option_on=new Image(87,131);
second_option_on.src="Images/menu2on.gif";
second_option_off=new Image(87,131);
second_option_off.src="Images/menu2.gif";

third_option_on=new Image(105,64);
third_option_on.src="Images/menu3on.gif";
third_option_off=new Image(105,64);
third_option_off.src="Images/menu3.gif";

fourth_option_on=new Image(60,76);
fourth_option_on.src="Images/menu4on.gif";
fourth_option_off=new Image(60,76);
fourth_option_off.src="Images/menu4.gif";

fifth_option_on=new Image(77,90);
fifth_option_on.src="Images/menu5on.gif";
fifth_option_off=new Image(77,90);
fifth_option_off.src="Images/menu5.gif";

sixth_option_on=new Image(77,90);
sixth_option_on.src="Images/menu6on.gif";
sixth_option_off=new Image(77,90);
sixth_option_off.src="Images/menu6.gif";

seventh_option_on=new Image(77,90);
seventh_option_on.src="Images/menu7on.gif";
seventh_option_off=new Image(77,90);
seventh_option_off.src="Images/menu7.gif";


}
function rollIn(imgName)
{
        if (version=="3")
                {
                document[imgName].src=eval(imgName + "on.src");
                }
}
function rollOut(imgName)
{
        if (version=="3")
        {
                document[imgName].src=eval(imgName + "off.src");
        }
}


function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}