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_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_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_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function load(){
	menu();
	MM_preloadImages('images/exhibitorlogin_over.jpg','images/attendeelogin_over.jpg','images/enewsletter_over.jpg','images/eventslisting_over.jpg','images/exhibitdetails_over.jpg','images/register_over.jpg','images/howtoprepare_over.jpg','images/testimonials_over.jpg','images/survey_over.jpg');
}

// values we need to save for future use
var selected = new Array();
var current_class;

function selectRowEffect(form_name, button_name, object, button_selected) {
	// if something is selected change it back to unselected
	if(selected[form_name]){
		if(selected[form_name].className == 'selected' && current_class == 'hover'){
			selected[form_name].className = 'no_hover';
		}
		else if(selected[form_name].className == 'selected' && current_class == 'not_active_hover'){
			selected[form_name].className = 'not_active';
		}
		else if(selected[form_name].className == 'selected' && current_class == 'new_hover'){
			selected[form_name].className = 'new';
		}
	}
	// if they are clicking on the same one again just change to selected 
	// because we already have everything we need saved
	if(object == selected[form_name]){
		// change to selected
		object.className = 'selected';
	}
	// else they are clicking on a different one so save what we need to
	else{
		// remember class to change back to when we are not selected
		current_class = object.className;
		// change to selected
		object.className = 'selected';
		// remember object
		selected[form_name] = object;
	}
	// one button is not an array
	obj = eval("document."+form_name+"."+button_name);
	if (obj[0]) {
		obj[button_selected].checked=true;
	} else {
		obj.checked=true;
	}
}

function rowOverEffect(object) {
	if (object.className == 'no_hover') 
		object.className = 'hover';
	else if(object.className == 'not_active')
		object.className = 'not_active_hover';
	else if(object.className == 'new')
		object.className = 'new_hover';
}
function rowOutEffect(object) {
	if (object.className == 'hover')
		object.className = 'no_hover';
	else if(object.className == 'not_active_hover')
		object.className = 'not_active';
	else if(object.className == 'new_hover')
		object.className = 'new';
}

var old_class;
function check_button(button_id, row_id, menu_buttons){
	var button=document.getElementById(button_id);
	var row=document.getElementById(row_id);
	for(var x=0;x<menu_buttons.length;x++){
		if(menu_buttons[x].checked==true){
			menu_buttons[x].checked=false;
			var rid = menu_buttons[x].value;
			var myrow = 'row_'+rid;
			myString = new String(old_class);
			document.getElementById(myrow).className=myString.replace('h_', '');
		}
	}
	button.checked=true;
	old_class = row.className;
	row.className = 'checked';
}

function preview_popup(){
	var argv = preview_popup.arguments;
	var argc = argv.length;
	if(argc>0){
		window.open('admin.php?op=editor&previewPage='+argv[0],'myPopUp','width=800,height=600');
	}else{
		var menu_buttons = document.forms[0].content_id;
		var popped=false;
		if(menu_buttons.length>0){
			for(var x=0;x<menu_buttons.length;x++){
				if(menu_buttons[x].checked==true){
					window.open('admin.php?op=editor&previewPage='+menu_buttons[x].value,'myPopUp','width=800,height=600');
					popped=true;
				}
			}
			if(popped != true){
				alert('You must select a page to view first.');
			}
		}else{
			if(menu_buttons.checked==true){
				window.open('admin.php?op=editor&previewPage='+menu_buttons.value,'myPopUp','width=800,height=600');
			}else{
				alert('You must select a page to view first.');
			}
		}
	}
}

function change_class(myclass, row_id, button_id){
	var button=document.getElementById(button_id);
	var row=document.getElementById(row_id);
	if(button.checked!=true){
		row.className = myclass;
	}
}

function showSubChangeAction(newAction){
	var menu_buttons = document.forms[0].menu_id;
	if(menu_buttons.length>0){
		for(var x=0;x<menu_buttons.length;x++){
			if(menu_buttons[x].checked==true){
				document.forms[0].action=newAction;
			}
		}
	}else{
		if(menu_buttons.checked==true){
			document.forms[0].action=newAction;
		}
	}
}
function change_action(newAction){
	document.forms[0].action=newAction;
}

function change_payment(){
	var select_list_id = "payment_type";
	var id = "credit_card";
	var id2 = "echeck";
	
	if(document.getElementById){
		obj = document.getElementById(id);
		obj_css = obj.style;
		obj2 = document.getElementById(id2);
		obj2_css = obj2.style;
	}
	else if(document.layers){
		obj = eval("document." + id + ".document");
		obj_css = eval("document." + id);
		obj2 = eval("document." + id2 + ".document");
		obj2_css = eval("document." + id2);
	}
	else if(document.all){
		obj = document.all[id];
		obj_css = obj.style;
		obj2 = document.all[id2];
		obj2_css = obj2.style;
	}
	else
		obj = false;
		
	if(obj && obj != null && typeof(obj) == "object" && obj2 != null && typeof(obj2) == "object"){
		if(document.getElementById){
			select_list = document.getElementById(select_list_id);
		}
		else if(document.layers){
			select_list = eval("document." + select_list_id + ".document");
		}
		else if(document.all){
			select_list = document.all[select_list_id];
		}
		else
			select_list = false;
		
		if(select_list && select_list != null && typeof(select_list) == "object"){
			var payment_type = select_list.options[select_list.selectedIndex].value;
			
			switch(payment_type){
				case "Credit Card":
					obj_css.display = "";
					obj2_css.display = "none";
				break;
				case "E-Check":
					obj_css.display = "none";
					obj2_css.display = "";
				break;
				default:
					obj_css.display = "none";
					obj2_css.display = "none";
					
			}
		}
	}
}