var agt=navigator.userAgent.toLowerCase(); 
var is_major = parseInt(navigator.appVersion); 
var is_minor = parseFloat(navigator.appVersion); 
var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1) 
                && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1) 
                && (agt.indexOf('webtv')==-1)); 
var is_nav2 = (is_nav && (is_major == 2)); 
var is_nav3 = (is_nav && (is_major == 3)); 
var is_nav4 = (is_nav && (is_major == 4)); 
var is_nav4up = (is_nav && (is_major >= 4)); 
var is_ie   = (agt.indexOf("msie") != -1); 
var is_ie4up  = (is_ie  && (is_major >= 4)); 
var is_mac    = (agt.indexOf("mac")!=-1);
 
if ((agt.indexOf("msie") != -1) && (agt.indexOf("mac") == -1)) {
 var newwindow;
}
 
function fullscreenPopUpWin(textlink) {
 if ((agt.indexOf("msie") != -1) && (agt.indexOf("mac") == -1)) {
  if (newwindow != null) { newwindow.close(); }
 }
 newwindow = window.open(textlink,'popup',config='height=739,width=953,scrollbars=no,toolbar=no,copyhistory=no,resizable=no,directories=no,menubar=no,status=no,location=no');
 newwindow.moveTo( (screen.availWidth-953)/2, (screen.availHeight-739)/2 );
 newwindow.focus();
}
function centerPopUpWin2(textlink,ht,wd) {
 newwindow = window.open(textlink,'popup',config='height=' + ht + ',width=' + wd + ',scrollbars=yes,toolbar=no,copyhistory=no,resizable=no,directories=no,menubar=no,status=no,location=no');
 newwindow.moveTo( (screen.availWidth-wd)/2, (screen.availHeight-ht)/2 );
 newwindow.focus();
}
function centerPopUpWin(textlink,ht,wd) {
 newwindow = window.open(textlink,'popup',config='height=' + ht + ',width=' + wd + ',scrollbars=yes,toolbar=no,copyhistory=no,resizable=no,directories=no,menubar=no,status=no,location=no');
 newwindow.moveTo( (screen.availWidth-wd)/2, (screen.availHeight-ht)/2 );
 newwindow.focus();
}



 

if (document.images) {

	image1on = new Image();
	image1on.src = "../../images/sub_menu_overview_mo.gif";

<!--------------------------------------------------------------------------->
	
	image1off = new Image();
	image1off.src = "../../images/sub_menu_overview.gif";
}

function changeImages() {
  if (document.images) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}
function cust_serv(url) {
msg=open(url,'Customer','width=560,height=720,toolbar=no,copyhistory=no,scrollbars=no,resizable=no,directories=no,menubar=no,status=no,location=no');
}

function calc(url) {
msg=open(url,'Calc','width=545,height=600,toolbar=no,copyhistory=no,scrollbars=yes,resizable=yes,directories=no,menubar=no,status=no,location=no');
}