function goURL(s) {       
	var d = s.options[s.selectedIndex].value
    window.top.location.href = d
    s.selectedIndex=0
}

function resize_trans_gif() {
	
		document.getElementById("transGIF").width = document.getElementById("imageViewed").width;
		document.getElementById("transGIF").height = document.getElementById("imageViewed").height;

	
}

//-----------------------------
 //dropout tree menu script //
//---------------------------- 

if (document.getElementById){  //sets initial state of the menu to hidden - block this code to initially show
	document.write('<style type="text/css">\n')
	document.write('.submenu{display: none;margin-bottom: 15px;}\n')
	document.write('</style>\n')
	
	document.write('<style type="text/css">\n')
	document.write('.submenu2{display: none;margin-bottom: 15px;}\n')
	document.write('</style>\n')
}

function showHide(obj) { //onclick either shows or hides the current dropout
	var el = document.getElementById(obj);
	var ar = document.getElementById("navMenu").getElementsByTagName("span");
	if(el.style.display != "block"){ 
		el.style.display = "block";
	} else {
		el.style.display = "none";
	}
}

function showHideSub(obj) {
	var el = document.getElementById(obj);
	var ar = document.getElementById("navMenu").getElementsByTagName("span");
	if(el.style.display != "block"){ 
		el.style.display = "block";
	} else {
		el.style.display = "none";
	}
}

function openWin(theURL,winName,w,h,scroll) {
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	settings ='height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable=no';
	
	window.open(theURL,winName,settings);
}

function swapImageViewed(image, image2){
	//var newImage = selectedView + currentImage;
	//alert(document.domain);
	
	// view image 2
	if(window.document.imageViewed.src == 'http://'+document.domain+'/images/catalog/'+image) {
		window.document.imageViewed.src = 'images/catalog/'+image2;
		window.document.viewImage.src = 'images/view_image1.gif';
	
	// view image 1
	} else if(window.document.imageViewed.src == 'http://'+document.domain+'/images/catalog/'+image2) {
		window.document.imageViewed.src = 'images/catalog/'+image;
		window.document.viewImage.src = 'images/view_image2.gif';
	}
}

function validatePersonal(form){

   	if(form.first_name.value == '') { 
      alert('You have not entered your first name!') 
      form.first_name.focus(); 
      return false; 
   	}  else if(form.last_name.value == '') { 
      alert('You have not entered your last name!') 
      form.last_name.focus(); 
      return false; 
   	}  else if(form.phone.value == '') { 
      alert('You have not entered phone number!') 
      form.phone.focus(); 
      return false; 
   	}  else if(form.email.value == '') { 
      alert('You have not entered your email address!') 
      form.email.focus(); 
      return false; 
   	} else {
	  return true;
	}
 
} 

function validatePayment(form){

   	if(form.payment_type.value == '') { 
      alert('You have not defined a payment type!') 
      //form.first_name.focus(); 
      return false; 
   	} else {
	  return true;
	}
 
} 


function userFormCheck(formobj){
	// name of mandatory fields
	var fieldRequired = Array("name", "username", "password", "password2", "permission", "email");
	// field description to appear in the dialog box
	var fieldDescription = Array("Name", "Username", "Password", "Verify Password", "permission", "Email");
	// dialog message
	var alertMsg = "Please complete the following fields:\n";
	
	var l_Msg = alertMsg.length;
	
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			default:
			}
			if (obj.type == undefined){
				var blnchecked = false;
				for (var j = 0; j < obj.length; j++){
					if (obj[j].checked){
						blnchecked = true;
					}
				}
				if (!blnchecked){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg){
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}