/* Functions */
function $(id){
	return document.getElementById(id);
}

function ToggleElement(item) {
   obj=document.getElementById(item);
   visible=(obj.style.display!="none") 
   if (visible) {
	 obj.style.display="none";
   } else {
	  obj.style.display="block";
   }
}
function ToggleElementInline(item) {
   obj=document.getElementById(item);
   visible=(obj.style.display!="none")  
   if (visible) {
	 obj.style.display="none";
   } else {
	  obj.style.display="inline";
   }
}
function ToggleElementVisibility(item) {
   obj=document.getElementById(item);
   visible=(obj.style.visibility!="hidden") 
   if (visible) {
	 obj.style.visibility="hidden";
   } else {
	  obj.style.visibility="visible";
   }
}
function Show(item) {
   obj=document.getElementById(item);
   obj.style.display="block";
}
function ShowInline(item) {
   obj=document.getElementById(item);
   obj.style.display="inline";
}
function Hide(item) {
   obj=document.getElementById(item);
   obj.style.display="none";
}

function confirm_deletion(which,id,page,label,vars){
	var input_box=confirm("Are you sure you want to delete this "+label+"?");
	if (input_box==true){
		if(vars)
		 	window.location = page+"&d"+which+"="+id;
		else
			window.location = page+"?d"+which+"="+id;
	} else {
		//do nothing
	}
}

function maskEmail(user,site,message){
	document.write('<a href=\"mailto:'+ user + '@' + site + '\">'); 
	document.write(message+'</a>');
}
function forceMaxLength(obj, maxlength){
	if (obj.value.length > maxlength)
		obj.value = obj.value.substring(0,maxlength)
}

function clearInput(obj){
	obj.value = "";
}
function checkInput(obj,value){
	if(obj.value == "")
		obj.value = value;
}

function get_radio_value(element){
for (var i=0; i < element.length; i++)
   {
   if (element[i].checked)
      {
      return element[i].value;
      }
   }
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

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_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_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 skipField(len, cur, next){
	if(cur.value.length==len) next.focus();
}

function destroyUsernameCookie(){
	eraseCookie('username');
}

function checkLogin(username,password){
	requests_checkLogin(username,password);
}