function menu_select(menu,category) {

	//** DEEBUG alert("MENU: " + menu + "CAT: " + category + "");**/	
	
    if (document.getElementById) {
    	//**This changes the menu when selected**/
    	var MENUINFO = document.getElementById(menu).getElementsByTagName("div");
    	for (var i = 0; i< MENUINFO.length; i++) {
    		document.getElementById(menu).getElementsByTagName("div")[i].style.display = "none";
    		}
		if (document.getElementById(menu).getElementsByTagName("div")[category] != undefined) {
    		document.getElementById(menu).getElementsByTagName("div")[category].style.display = "block";
		}
   	} 
	else {
        alert("This browser is not compatible");
        }
}

function popup(theURL,winName,features) {
  window.open(theURL,winName,features);
}

function update_form(form_name,fname,update) {
	var STMNT = document.form.elements;
	var pattern = /N/;
	for (var i = 0; i< STMNT.length; i++) {
	var nme = document.form.elements[i].name;
    	if (pattern.test(nme)) {
		STMNT[nme].value = 0;
		}
	}
	document.form.elements[fname].value = update;
}

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);

 var bName = navigator.appName;
 var bVer = parseInt(navigator.appVersion);
 var NS6 = (bName == "Netscape" && bVer >= 5);
 var NS4 = (bName == "Netscape" && bVer >= 4 && bVer < 5);
 var IE4 = (bName == "Microsoft Internet Explorer" && bVer >= 4);
 var NS3 = (bName == "Netscape" && bVer < 4);
 var IE3 = (bName == "Microsoft Internet Explorer" && bVer < 4);
 window.onerror = null;
 var menuActive = 0
 var menuOn = 0
 var onLayer
 var timeOn = null // LAYER SWITCHING CODE
 if (NS4 || IE4 || NS6) {
	 if (navigator.appName == "Netscape" && !document.getElementById){
	 layerStyleRef="layer.";
	 layerRef="document.layers";
	 styleSwitch="";
	 layerVis="show";
	 layerHid="hide";
	 }
	 else if (!document.all && document.getElementById) {
	 layerStyleRef="layer.style.";
	 layerRef="document.getElementById";
	 styleSwitch=".style";
	 layerVis="visible";
	 layerHid="hidden";
	 }
	 else {
	 layerStyleRef="layer.style.";
	 layerRef="document.all";
	 styleSwitch=".style";
	 layerVis="visible";
	 layerHid="hidden";
	 }
 }
// SHOW MENU
function shLayer(layerName){
 img = getImage("imgTabs");
 x = getImagePageLeft(img);
 y = getImagePageTop(img);
 menuTop = y + 22 ; // LAYER TOP POSITION
 PRODUCTL = x + 90 ; // 'PRODUCT' LAYER LEFT POSITION
 DOWNLOADL = x + 174 ;  // 'DOWNLOAD' LAYER LEFT POSITION
 PURCHASEL = x + 258 ;  // 'PURCHASE' LAYER LEFT POSITION
 SUPPORTL = x + 342 ;  // 'SUPPORT' LAYER LEFT POSITION
if (NS4 || IE4 || NS6) {
 if (timeOn != null) {
 clearTimeout(timeOn)
 hideLayer(onLayer)
 }
 if (NS4 || IE4) {
 eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="'+layerVis+'"');
 eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.top="'+menuTop+'"');
 eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.left="'+eval(layerName+'L')+'"');
 } 
 if (NS6) {
 eval(layerRef+'("'+layerName+'")'+styleSwitch+'.visibility="'+layerVis+'"');
 eval(layerRef+'("'+layerName+'")'+styleSwitch+'.top="'+menuTop+'"');
 eval(layerRef+'("'+layerName+'")'+styleSwitch+'.left="'+eval(layerName+'L')+'"');
 } 
 onLayer = layerName
 }
}// HIDE MENU
function hideLayer(layerName){
 if (menuActive == 0) {
 if (NS4 || IE4) {
 eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="'+layerHid+'"');
 }
 if (NS6) {
 eval(layerRef+'("'+layerName+'")'+styleSwitch+'.visibility="'+layerHid+'"');
 }
 }
}// TIMER FOR BUTTON MOUSE OUT
function btnTimer() {
 timeOn = setTimeout("btnOut()",1000)
}// BUTTON MOUSE OUT
function btnOut(layerName) {
 if (menuActive == 0) {
 hideLayer(onLayer)
 }
}// MENU MOUSE OVER 
function menuOver(itemName) {
 clearTimeout(timeOn)
 menuActive = 1
}// MENU MOUSE OUT 
function menuOut(itemName) {
 menuActive = 0 
 timeOn = setTimeout("hideLayer(onLayer)", 400)

 }// SET BACKGROUND COLOR 
function setBgColor(layer, color) {
  if (NS6){
    eval('document.getElementById("'+layer+'").style.backgroundColor="'+color+'"');
  }
  else if (NS4){
    eval('window.document.layers["'+layer+'"].document.bgColor="'+color+'"');
	eval('window.document.layers["'+layer+'"].saveColor="'+color+'"');
  }
  else if (IE4){
    eval('document.all.'+layer+'.style.backgroundColor="'+color+'"');
  }
}

function getImage(name) {
  if (NS4 || NS6) {
    return findImage(name, document);
  }
  if (IE4 || NS6)
    return eval('document.all.' + name);
  return null;
}

function findImage(name, doc) {
  var i, img;
  for (i = 0; i < doc.images.length; i++)
    if (doc.images[i].name == name)
      return doc.images[i];
  for (i = 0; i < doc.layers.length; i++)
    if ((img = findImage(name, doc.layers[i].document)) != null) {
      img.container = doc.layers[i];
      return img;
    }
  return null;
}

function getImagePageLeft(img) {
  var x, obj;
  if (NS4 || NS6) {
    if (img.container != null)
      return img.container.pageX + img.x - 1;
    else
      return img.x - 1;
  }
  if (IE4) {
    x = 0;
    obj = img;
    while (obj.offsetParent != null) {
      x += obj.offsetLeft;
      obj = obj.offsetParent;
    }
    x += obj.offsetLeft;
    return x;
  }
  return -1;
}

function validateForm(form) {
	if (isNotEmpty(form.name)) {
		if (isNotEmpty(form.company)) {
			if (isNotEmpty(form.phone)) {
				if (isNotEmpty(form.email)) {
					if (isEmailAddr(form.email)) {
						return true;
					}
				}
			}
		}
	}
	return false;
}

function isEmailAddr(elem) {
	var str = elem.value;
	var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
	if (!str.match(re)) {
		alert("Verify the email address format.");
		setTimeout("focusElement('" + elem.form.name + "', '" + elem.name + "')", 0);
		return false;
	} else {
		return true;
	}
}

function isNotEmpty(elem) {
	var str = elem.value;
	if(str == null || str.length == 0) {
		alert("Please fill in the " + elem.name + " field.");
		return false;
	} else {
		return true;
	}
}

function getImagePageTop(img) {
  var y, obj;
  if (NS4 || NS6) {
    if (img.container != null)
      return img.container.pageY + img.y;
    else
      return img.y;
  }
  if (IE4) {
    y = 0;
    obj = img;
    while (obj.offsetParent != null) {
      y += obj.offsetTop;
      obj = obj.offsetParent;
    }
    y += obj.offsetTop;
    return y;
  }
  return -1;
}