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) && (agt.indexOf('hotjava')==-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_navonly      = (is_nav && ((agt.indexOf(";nav") != -1) ||
		  (agt.indexOf("; nav") != -1)) );
var is_nav6 = (is_nav && (is_major == 5));
var is_nav6up = (is_nav && (is_major >= 5));
var is_gecko = (agt.indexOf('gecko') != -1);


var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
var is_ie3    = (is_ie && (is_major < 4));
var is_ie4    = (is_ie && (is_major == 4) && (agt.indexOf("msie 4")!=-1) );
var is_ie4up  = (is_ie && (is_major >= 4));
var is_ie5    = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) );
var is_ie5_5  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5") !=-1));
var is_ie5up  = (is_ie && !is_ie3 && !is_ie4);
var is_ie5_5up =(is_ie && !is_ie3 && !is_ie4 && !is_ie5);
var is_ie6    = (is_ie && (is_major == 4) && (agt.indexOf("msie 6.")!=-1) );
var is_ie6up  = (is_ie && !is_ie3 && !is_ie4 && !is_ie5 && !is_ie5_5);

var is_opera = (agt.indexOf("opera") != -1);
var is_opera2 = (agt.indexOf("opera 2") != -1 || agt.indexOf("opera/2") != -1);
var is_opera3 = (agt.indexOf("opera 3") != -1 || agt.indexOf("opera/3") != -1);
var is_opera4 = (agt.indexOf("opera 4") != -1 || agt.indexOf("opera/4") != -1);
var is_opera5 = (agt.indexOf("opera 5") != -1 || agt.indexOf("opera/5") != -1);
var is_opera5up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4);



/* reload the page */
function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

/* search the dom for the job named */
function MM_findObj(n, d) { //v4.01
  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 && d.getElementById) {
    x=d.getElementById(n);
  }
  // alert('object ' + n + ' is ' + x);
  return x;
}


/* find then set a layers visibility */
function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;

  for (i=0; i<(args.length-2); i+=4) {

        if ((obj=MM_findObj(args[i]))!=null) {
            v=args[i+2];
            if (obj.style) {
                obj=obj.style;
                v=(v=='show')? 'visible' : (v=='hide')? 'hidden':v;
            }
            obj.visibility=v;
    }
  }
}

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_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_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];}
}


function init() {
	fixPosition("subcat_1") ;
	fixPosition("subcat_2") ;
	fixPosition("subcat_3") ;
	fixPosition("subcat_4") ;
	window.onresize = init ;
}


// get the true offset of anything on NS4, IE4/5 & NS6, even if it's in a table!
function getAbsX(elt) { return (elt.x) ? elt.x : getAbsPos(elt,"Left"); }
function getAbsY(elt) { return (elt.y) ? elt.y : getAbsPos(elt,"Top"); }
function getAbsPos(elt,which) {
 iPos = 0;
 while (elt != null) {
  iPos += elt["offset" + which];
  elt = elt.offsetParent;
 }
 return iPos;
}

function getDivStyle(divname) {
 var style, obj;
 
 if ((obj=MM_findObj(divname))!=null) {
 	return obj.style ;
 }
}


function setPosition(layer,positionername) {
 var positioner;
 var modified_y=0, modified_x ;
 
 if (positionername == 'subcat_3_Pos') modified_x = -5 ;
 else modified_x = -5 ;
 
 if ((positioner=MM_findObj(positionername)) != null) {
//	alert("Now the positioning for: " + positioner.id) ;
	layer.left = getAbsX(positioner) + modified_x ;

	
	if (is_ie) modified_y = getAbsY(positioner) + 3 ;
	else {
//	 	alert (getAbsY(positioner)) ; 
		if (is_opera) {
			modified_y = 99 ;
		}
		else {
			modified_y = 93 ;
		}
	}

	layer.top = modified_y ;
 }
}

function fixPosition(divname) {
	divstyle = getDivStyle(divname);
	positionerImgName = divname + '_Pos';
	setPosition(divstyle,positionerImgName,true);
}

function openPopup(url) {
	window.open(url,'','width=460,height=300,fullscreen=0,location=0,menubar=0,resizable=0,scrollbars=0,status=0,toolbar=0') ;
}

function swapClass(element, className) {
	element.className = className;
	element.parentNode.className = className;
}

function swapClassElement(element_name, className) {
	element = MM_findObj(element_name) ;

	element.className = className;
	element.parentNode.className = className;
}

function switchImage(curobj, direction, switch_on) {
	var ns6=document.getElementById && !document.all?1:0 ;
	var altobj="" ;

	if (ns6 == 0) {
		altobj=document.all[curobj.sourceIndex+direction].style ;
		if (switch_on) altobj.display="" ;
		else altobj.display="none" ;
	}
}