browser = navigator.userAgent;

vb = 2;
if (browser.substring(0,7) == "Mozilla"){
  if (parseInt(browser.substring(8,9)) >= 3) {vb = 1;}
}


function StateOn(c) {
  if (vb == 1) {
  document.images[[c]].src = eval(c+"1.src");
  }
}

function StateOff(c) {
  if (vb == 1) {
  document.images[[c]].src = eval(c+"2.src");
  }
}



function UnixMachine() { 
   if (navigator.appVersion.lastIndexOf('Unix')  != -1) 
   {
	 return true }
   else 
	 {return false }
   } 

function randomNumber() { 
	if (UnixMachine()) { 
	     rndnum = Math.random() } 
	else { 
		var objDate = new Date();
		rndnum = objDate.getTime(); } 
        return rndnum; 
	}


function openwin(url,w,h,params)
	{
	//var rndnum;
	//randomNumber() ;
	var winname='win'+randomNumber();
	//alert(winname);
	window.open(url,winname,params+',width='+w+',height='+h)
	}

function ZoomPicture(url,w,h,params,title){
	if (params=='')
	{
		params='toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,copyhistory=0,width='+w+',height='+h;	
	}

	var picture = '<img src='+url+' width='+w+' height='+h+' border=0 onclick=window.close();opener.focus()>';

	pic=window.open('/blank.htm','pic',params);
	pic.document.write('<html><head><title>'+title+'</title></head><body bgcolor="#FFFFFF" leftmargin="0" topmargin="0" marginwidth="0" marginheight="0"><table width=100% height=100% border="0" cellspacing="0" cellpadding="0"><tr><td align=center valign=center>');
	pic.document.write(picture);
	pic.document.write('</td></tr></table></body></html>');
	pic.focus();
} 






