var activeMenu = null;
var defaultMenu = null;
var tHome, tEditions, tFeatures, tResources, tContactUs;


function showMenu(item) {
/*

	if(activeMenu) {
		activeMenu.className = defaultMenu;
	}

	if(item) {
		defaultMenu = item.className;
		tHome = document.getElementById("mHome").className;
		tEditions = document.getElementById("mEditions").className;
		tFeatures = document.getElementById("mFeatures").className;
		tResources = document.getElementById("mResources").className;
		tContactUs = document.getElementById("mContactUs").className;
		document.getElementById("mHome").className = "";
		document.getElementById("mEditions").className = "";
		document.getElementById("mFeatures").className = "";
		document.getElementById("mResources").className = "";
		document.getElementById("mContactUs").className = "";
		item.className = "actived";
		activeMenu = item;
	} else {
		activeMenu = null;
		document.getElementById("mHome").className = tHome;
		document.getElementById("mEditions").className = tEditions;
		document.getElementById("mFeatures").className = tFeatures;
		document.getElementById("mResources").className = tResources;
		document.getElementById("mContactUs").className = tContactUs;
	}
*/
}

function expand(x) {
	var s;
	s = document.getElementById("img_" + x).src;
	s = s.substr(s.length - 5);
	if (s == "n.gif") {
		var i;
		for (i=1; i < 39; i++) {
			try {
				document.getElementById("detail_" + i).style.display = "none";
				document.getElementById("img_" + i).src = "/SPN/_images/arrow_down.gif";
			}
			catch (exc) {}
		}
		document.getElementById("detail_" + x).style.display = "block";
		document.getElementById("img_" + x).src = "/SPN/_images/arrow_up.gif";
	} else {
		document.getElementById("detail_" + x).style.display = "none";
		document.getElementById("img_" + x).src = "/SPN/_images/arrow_down.gif";
	}
}

var popWin = '';
function popWindow(file, height, width){
	if(window.showModalDialog){
		popWin = window.showModalDialog(file, '', 'dialogHeight:'+height+'px; dialogWidth:'+width+'px; resizable:yes; scroll:yes');
	}
	else{
		if(popWin.closed != undefined){if(!popWin.closed){popWin.close();};}
		popWin = window.open(file, 'help', 'height=' + height + ', width=' + width + ', resizable, scrollbars=yes, modal=yes, dialog=yes, menubar=yes');
		popWin.moveTo(20,20);
		popWin.focus();	
	}
}

function popImage(img, height, width) {
	var src;
	src = img.src;
	src = src.replace("thumb-", "");
	popWindow(src, height, width);
}

// SCRIPT FOR BANNER ROTATION //
function imageItem(image_location) {
	this.image_item = new Image();
	this.image_item.src = image_location;
}

function get_ImageItemLocation(imageObj) {
	return(imageObj.image_item.src)
}

function randNum(x, y) {
//	var range = y - x + 1;
//	return Math.floor(Math.random() * range) + x;
}

function getNextImage() {
	if (random_display) {
		imageNum = randNum(0, totalImages-1);
	} else {
		imageNum = (imageNum+1) % totalImages;
	}
	
	var new_image = "";
	new_image = "<img src='"+get_ImageItemLocation(imageArray[imageNum])+"'";
	if(linkArray[imageNum]) {
		new_image += " style='cursor: pointer;' onclick='window.location=\""+linkArray[imageNum]+"\"'";
	}
	new_image += "/>";

	if(descArray[imageNum]) {
		new_image += "<br/><br/>";
		if(linkArray[imageNum]) {
			new_image += "<a href='"+linkArray[imageNum]+"'>"+descArray[imageNum]+"</a>";
		} else {
			new_image += descArray[imageNum];
		}

	}

	//document.getElementById("slideURL").style.visibility = "hidden";
	//new_image = GetFlash(get_ImageItemLocation(imageArray[imageNum]));
	return(new_image);
}

function switchImage(place) {
	if(document.getElementById("slideImg") == null) return false;

	var new_image = getNextImage();
	document.getElementById(place).innerHTML = new_image;new_image

	var recur_call = "switchImage('"+place+"')";
	timerID = setTimeout(recur_call, interval);
}

function LoadJava() {
	if(totalImages > 0) {
		switchImage('slideImg');
	} else {
		document.getElementById("slideImg").style.display = "none"
		//document.getElementById("slideURL").style.display = "none";
	}
}

function GetFlash(fileName) {
	if(fileName) {
		var txtFlash = "";
		txtFlash += "<object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0\" width=\"125\" height=\"125\">";
		txtFlash += "<param name=\"movie\" value=\""+fileName+"\">";
		txtFlash += "<param name=\"quality\" value=\"high\">";
        txtFlash += "<param name=\"wmode\" value=\"transparent\">";
		txtFlash += "<embed wmode=\"transparent\" src=\""+fileName+"\" quality=\"high\" pluginspage=\"http://www.macromedia.com/go/getflashplayer\" type=\"application/x-shockwave-flash\" width=\"125\" height=\"125\"></embed>";
		txtFlash += "</object>";
	} else { return ""; };

	return txtFlash;
}

function loadfile(filename) {
	var load = window.open(filename);
	}

// END BANNER SCRIPT //

var arVersion = navigator.appVersion.split("MSIE")
var version = parseFloat(arVersion[1])

function fixPNG(myImage) 
{
    if ((version >= 5.5) && (version < 7) && (document.body.filters)) 
    {
       var imgID = (myImage.id) ? "id='" + myImage.id + "' " : ""
	   var imgClass = (myImage.className) ? "class='" + myImage.className + "' " : ""
	   var imgTitle = (myImage.title) ? 
		             "title='" + myImage.title  + "' " : "title='" + myImage.alt + "' "
	   var imgStyle = "display:inline-block;" + myImage.style.cssText
	   var strNewHTML = "<span " + imgID + imgClass + imgTitle
                  + " style=\"" + "width:" + myImage.width 
                  + "px; height:" + myImage.height 
                  + "px;" + imgStyle + ";"
                  + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
                  + "(src=\'" + myImage.src + "\', sizingMethod='scale');\"></span>"
	   myImage.outerHTML = strNewHTML	  
    }
}

function nav(value)
   {
if(value=="") return false;
   window.open(value);
   }