if (  IsNavigator4() == true && IsNetscape6() == false  ) {
	document.captureEvents(Event.KEYPRESS);
	document.onkeypress = CatchKey;
}

function CatchKey(e) {
	if (  e.which == 13  )  {
    	document.forms[0].submit();
	}
}

function IsNavigator4(){ /* Netscape browser version 4 (or above) */
   if (  parseInt(navigator.appVersion.charAt(0)) >= 4  ) {
     return ((navigator.appName == "Netscape") ? true : false);
   }else{
     return false;
   }
}

function IsNetscape6() {/* Netscape browser version 6 (or above) */
   var strBrowser = navigator.appName;
   var strVersion = navigator.appVersion;
   var strVersionMajor = "";
   var lngSpace = 1;
   var lngPeriod = 1;
   for (i=0; i<strVersion.length; i++)
   {
     if (strVersion.charAt(i) == " ")    { lngSpace = i; break; }
   }
   strVersion = strVersion.substr(0, lngSpace);
   for (i=0; i<strVersion.length; i++)
   {
     if (strVersion.charAt(i) == ".")    { lngPeriod = i; break; }
   }
   strVersionMajor = strVersion.substr(0, lngPeriod);
   if ( strBrowser == "Netscape" )   /* Correct Browser type */
   {
     /* Correct major version (Netscape 6 appVersion is 5) */
     if ( Number(strVersionMajor) >= 5 ) { return true;  }
     else                                { return false; }
   }
   else
   {
     return false;
   }
 }

 function document.onkeypress()
 {
   if (  IsNetscape6() == false && event.keyCode == 13  )
   {
     document.forms[0].submit();
   }
 }

function initialize()
{// set focus
  if ( document.forms.length )
  {
	document.forms[0].elements[0].focus();
	document.forms[0].elements[0].select();
  }
}
function DoLogin()
{
  if (  IsNetscape6() == false  )
  {
	document.forms[0].elements['case'].value = 'ng';
	document.forms[0].submit();
  }
}

function submitclass(obj, new_style) {
    obj.className = new_style;
}

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

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

function findObj(n, d) {
	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=findObj(n,d.layers[i].document);
	return x;
}

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