var I   =(document.all) ? true:false;
var DOM =(document.getElementById)?true:false;   
var N   =(document.layers) ? true:false;

function toggleLayer(whichLayer){
 var style2;
 if(DOM) {
  style2 = document.getElementById(whichLayer).style;
 }else if(I){
  style2 = document.all[whichLayer].style;
 } else if(N) {
  style2 = document.layers[whichLayer].style;
 } 
 
 if(style2) {
 	style2.display=style2.display?"":"none";
 }
}

/* Confirm movie removal by user */
function confirmPrompt(text){
 return confirm(text);
}


function ismaxlength(obj,length){
var mlength= parseInt(length);
if (obj.value.length>=mlength)
obj.value=obj.value.substring(0,mlength-1)
}


function switchDisabled(whichLayer,checkbox){
 if(DOM){
  var style2 = document.getElementById(whichLayer).style;
  if(document.getElementById(checkbox).checked) {
   style2.disabled = "";
  } else {
   style2.disabled = "disabled";
  }
 }else if(I){
  var style2 = document.all[whichLayer].style;
  if(document.all[checkbox].checked) {
   style2.disabled = "";
  } else {
   style2.disabled = "disabled";
  }
 }else if(N){
  var style2 = document.layers[whichLayer].style;
  if(document.layers[checkbox].checked) {
   style2.disabled = "";
  } else {
   style2.disabled = "disabled";
  }
 }
}

function hideLayer(whichLayer){
 var style2;
 if(DOM) {
  style2 = document.getElementById(whichLayer).style;
 }else if(I){
  style2 = document.all[whichLayer].style;
 } else if(N) {
  style2 = document.layers[whichLayer].style;
 } 
 
 if(style2){
  return style2.display="none";
 }
}

function showLayer(whichLayer){
 var style2;
 if(DOM) {
  style2 = document.getElementById(whichLayer).style;
 }else if(I){
  style2 = document.all[whichLayer].style;
 } else if(N) {
  style2 = document.layers[whichLayer].style;
 } 
 
 if(style2){
  style2.display="";
 }
}

function checklayer(whichLayer){
 var style2;
 if(DOM) {
  style2 = document.getElementById(whichLayer).style;
 }else if(I){
  style2 = document.all[whichLayer].style;
 } else if(N) {
  style2 = document.layers[whichLayer].style;
 } 
 
 if(style2){
  return style2.display;
 }
}

function toggleForm(form,int) {
 if(form=='embedcode'){
  if (!checklayer('linkcode'+int)){
   toggleLayer('linkcode'+int);
  }
  toggleLayer(form+int);
 }else if(form=='linkcode'){
  if (!checklayer('embedcode'+int)){
   toggleLayer('embedcode'+int);
  }
  toggleLayer(form+int);
 }else{
  toggleLayer(form+int);
 }
}


function fbs_click(url) {

	window.open('http://www.facebook.com/sharer.php?u='+url,'sharer','toolbar=0,status=0,width=626,height=436');
	return false;
}