if (document.layers) {
	// nav4 CSS
	document.write('<link rel="stylesheet" type="text/css" href="/css/nav4.css" >');
} else if (isIE4win()) {
	// IE4 CSS
    document.write('<link rel="stylesheet" type="text/css" href="/css/ie4.css" >');
}

// open link in new window
function nw(a) {
	window.open(a.href,'popUpWin');	return false;
}

// open link in "chromeless" window
function nwNC(a, left, top, width, height)
{
	popUpWin = window.open(a.href, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top); return false;
}

function isIE4win() {
	var ua = navigator.userAgent.toLowerCase(); 
	var isOpera = (ua.indexOf('opera') != -1); 
	var isIE    = (ua.indexOf('msie') != -1 && !this.isOpera && (ua.indexOf('webtv') == -1) );
	if (!isIE) return false;
	if (ua.indexOf('win') == -1) return false;
	var versionMinor = parseFloat(navigator.appVersion); 
	if (versionMinor >= 4) versionMinor = parseFloat( ua.substring( ua.indexOf('msie ') + 5 ) );
	return (parseInt(versionMinor) == 4);
}


/*				contributor_on = new Image();
                contributor_on.src = "images/front_contributor_on.png";
                contributor_of = new Image(); 
                contributor_of.src = "images/front_contributor_of.png";
				
				partner_on = new Image();
                partner_on.src = "images/front_partner_on.png";
                partner_of = new Image(); 
                partner_of.src = "images/front_partner_of.png";				*/



function img_act(imgName)  {
//        if (browserVer >= 3) {
                imgOn = eval(imgName + "_on.src");
                document [imgName].src = imgOn;
		/*imgOn = eval(imgName + "_nb.src");
		imgName = 'blank';
                document [imgName].src = imgOn;*/
//        }  
}

function img_inact(imgName) {
//        if (browserVer >= 3) {
                imgOff = eval(imgName + "_of.src");
                document [imgName].src = imgOff;
		/*imgName = 'blank';
                imgOff = eval(imgName + "_nb.src");                             
                document [imgName].src = imgOff;*/
//        } 
}



function getHTTPObject() {
  var xmlhttp;
  /*@cc_on
  @if (@_jscript_version >= 5)
    try {
      xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
      try {
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (E) {
        xmlhttp = false;
      }
    }
  @else
  xmlhttp = false;
  @end @*/
  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
    try {
      xmlhttp = new XMLHttpRequest();
    } catch (e) {
      xmlhttp = false;
    }
  }
  return xmlhttp;
}


function setStyle(obj,style,value){
	getRef(obj).style[style]= value;
}

function getRef(obj){
	return (typeof obj == "string") ?
		 document.getElementById(obj) : obj;
}