function TC(sel) {
	if (sel.options[sel.selectedIndex].value) {
	parent.top.location.href = sel.options[sel.selectedIndex].value;
	}
}

function FC(sel) {
	if (sel.options[sel.selectedIndex].value) {
	parent.main.location.href = sel.options[sel.selectedIndex].value;
	}
}

function Changeimg(imgname,imgnum) {
   document.images[imgname].src = eval(imgnum + ".src");
}

function newImage(arg) {
    if (document.images) {
        rslt = new Image();
        rslt.src = arg;
        return rslt;
    }
}

function chimg() {
    if (document.images && (preloadFlag == true)) {
        for (var i=0; i<chimg.arguments.length; i+=2) {
            document[chimg.arguments[i]].src = chimg.arguments[i+1];
        }
    }
}

var preloadFlag = false;
function preloadImages() {
    if (document.images) {
        sk_over = newImage("./sk/soop_img/sk_over.gif");
        ah_over = newImage("./sk/soop_img/ah_over.gif");
        gw_over = newImage("./sk/soop_img/gw_over.gif");
        px_over = newImage("./sk/soop_img/px_over.gif");
        preloadFlag = true;
    }
}

function dopen(url){
	dataw1=window.open(url,"Data",
	"toolbar=yes,location=yes,directories=yes,status=yes,menubar=yes,scrollbars=yes,resizable=yes,width=800,height=500");
	dataw1.focus();
}

function mopen(url){
	site=window.open(url,"Metadata",
	"toolbar=yes,location=no,directories=no,status=no,menubar=yes,scrollbars=yes,resizable=yes,width=500,height=500");
	site.focus();
}

function sopen(url){
	sys=window.open(url,"System",
	"toolbar=yes,location=no,directories=no,status=yes,menubar=yes,scrollbars=yes,resizable=yes,width=800,height=550");
	sys.focus();
}

function helpWin(num) {
	txt = "";
	txt += "<div ID='help" + num + "'>";
	txt += "<div class='helps'><font size='2'>";
	txt += eval('dict[' + num + '].nme');
	txt += "</font></div>";
	txt += "</div>";
	document.write(txt);
}

function ondict(e,num) {
	idx = "help" + num;
	ie = (document.all)?true:false;
	scrolledX = (ie) ? document.body.scrollLeft : window.pageXOffset;
	scrolledY = (ie) ? document.body.scrollTop : window.pageYOffset;
	x = (ie) ? window.event.clientX + scrolledX : e.pageX; 
	y = (ie) ? window.event.clientY + scrolledY : e.pageY;
	cb_getLayStyle(idx).left = x - 255;
	cb_getLayStyle(idx).top = y + 10;	
	cb_getLayStyle(idx).visibility='visible';
}

function cb_getLay(layname) {
	if (document.layers) 
		return eval('document.layers["' + layname + '"]');
	else if (document.all)
		return eval('document.all.' + layname + '');
	else return document.getElementById(layname);
}

function cb_getLayStyle(layname) {
	if (document.layers)
		return eval('document.layers["' + layname + '"]');
	else if (document.all) {
		if (eval('document.all.' + layname))
			return eval('document.all.' + layname + '.style');
		else return null;
	}
 	else {
		if (document.getElementById(layname))
			return document.getElementById(layname).style;
		else return null;
	}
}

function hidedict(num) {
	idx = "help" + num;
	cb_getLayStyle(idx).visibility='hidden';
}

function showLayer(layerName) {
	cb_getLayStyle(layerName).visibility = 'visible';
}

function hideLayer(layerName) {
	cb_getLayStyle(layerName).visibility = 'hidden';
}

function GoWin(url){
	 opener.location.href=url;
}