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_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_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 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); return x;
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) 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; }
}

// BrowserCheck Object
function BrowserCheck() {
	var b = navigator.appName
	if (b=="Netscape") {
		this.b = "ns"
	}
	else if (b=="Microsoft Internet Explorer") {
		this.b = "ie"
	}
	else {
		this.b = b
	}
	this.version = navigator.appVersion
	this.v = parseInt(this.version)
	this.ns = (this.b=="ns" && this.v>=4)
	this.ns4 = (this.b=="ns" && this.v==4)
	this.ns5 = (this.b=="ns" && this.v==5)
	this.ie = (this.b=="ie" && this.v>=4)
	this.ie4 = (this.version.indexOf('MSIE 4')>0)
	this.ie5 = (this.version.indexOf('MSIE 5')>0)
	this.min = (this.ns||this.ie)
}
var is = new BrowserCheck();
var search_pallet_open = false;

function searchSubmit() {
	if (is.ns4) {
		var adv_form = document.layers["SearchPallet"].document.forms["SearchPalletForm"];
	}
	else {
		var adv_form = document.forms["SearchPalletForm"];
	}
	var search_form = document.forms["SearchForm"];
	search_form.elements["search_language"].value = adv_form.elements["search_language"].options[adv_form.elements["search_language"].selectedIndex].value;
	
	search_form.elements["search_bool"].value = adv_form.elements["search_bool"].options[adv_form.elements["search_bool"].selectedIndex].value;
	
	search_form.elements["search_site"].value = adv_form.elements["search_site"].options[adv_form.elements["search_site"].selectedIndex].value;
	
	search_form.elements["search_pagesize"].value = adv_form.elements["search_pagesize"].options[adv_form.elements["search_pagesize"].selectedIndex].value;			
	
	search_form.elements["search_orderby"].value = adv_form.elements["search_orderby"].options[adv_form.elements["search_orderby"].selectedIndex].value;
	
	document.forms["SearchForm"].submit();
}

function advancedSearch() {
	// Show downbutton
	if (search_pallet_open) {
		MM_showHideLayers('SearchPallet','','hide');
		MM_swapImgRestore();
	}
	else {
		MM_showHideLayers('SearchPallet','','show');
		MM_swapImage('ImageAdvancedSearch','','/graphics/buttons/plus_on.gif',1);
	}
	search_pallet_open = !search_pallet_open;
}

function naphCampaign(node, open_if_first) {
	if (open_if_first == false || getCookie("naphCampaign" + node) == null) {
		var d = new Date();
		d.setFullYear(d.getFullYear() + 1);
		setCookie("naphCampaign" + node, "shown", d);
		window.open('/sa/node.asp?node=' + node,'Campaign','toolbar=yes,status=yes,width=550,height=420');
	}
}

function bitumenCampaign(node, open_if_first) {
	if (open_if_first == false || getCookie("bitumenCampaign" + node) == null) {
		var d = new Date();
		d.setFullYear(d.getFullYear() + 1);
		setCookie("bitumenCampaign" + node, "shown", d);
		window.open('/sa/node.asp?node=' + node,'Campaign','toolbar=yes,status=yes,width=550,height=420');
	}
}

function getCookieVal (offset) {
    var endstr = document.cookie.indexOf (";", offset);
	if (endstr == -1) endstr = document.cookie.length;
    return unescape(document.cookie.substring(offset, endstr));
}

function getCookie (name) {
    var arg = name + "=";
    var alen = arg.length;
    var clen = document.cookie.length;
    var i = 0;
    while (i < clen) {
		var j = i + alen;
        if (document.cookie.substring(i, j) == arg) {
			return getCookieVal (j);
		}
		i = document.cookie.indexOf(" ", i) + 1;
        if (i == 0) break;
	}
	return null;
}

function setCookie (name, value) {
    var argv = setCookie.arguments;
    var argc = setCookie.arguments.length;
    var expires = (argc > 2) ? argv[2] : null;
    var path = (argc > 3) ? argv[3] : null;
    var domain = (argc > 4) ? argv[4] : null;
    var secure = (argc > 5) ? argv[5] : false;
    document.cookie = name + "=" + escape (value) +
    ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
    ((path == null) ? "" : ("; path=" + path)) +
    ((domain == null) ? "" : ("; domain=" + domain)) +
    ((secure == true) ? "; secure" : "");
}