// JavaScript Document

function simple_popup(url, w, h) {
	var left = (screen.width - w)/2 -100 ;
	var top  = (screen.height - h - 100)/2 ;
   my_simple_popup = open("" + url, "", "width=" + w + ",height=" + h + ",top=" + top +  ",left=" + left + ", scrollbars=yes, resizable=yes, status=yes");
}

function submitFormWithEvent(theEvent)
{
   var theForm = document.forms[0];

   theForm.event.value = theEvent;
   theForm.submit();
}

function submitFormWithEventAndParam(theEvent, theParam)
{
   var theForm = document.forms[0];

   theForm.event.value = theEvent;
   theForm.param.value = theParam;
   theForm.submit();
}

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 hideDiv(pass) { 
	var divs = document.getElementsByTagName('div'); 
	for(i=0;i<divs.length;i++) { 
		if(divs[i].id.match(pass)) { //if they are 'see' divs 
			if (document.getElementById) { // DOM3 = IE5, NS6 
				divs[i].style.visibility="hidden"; // show/hide 
			}
			else {
				if (document.layers) { // Netscape 4 
					document.layers[divs[i]].display = 'hidden'; 
				}
				else { // IE 4 
					document.all.hideShow.divs[i].visibility = 'hidden'; 
				}
			}
		}
	}
}

function showDiv(pass) { 
	var divs = document.getElementsByTagName('div'); 
	for(i=0;i<divs.length;i++) { 
		if(divs[i].id.match(pass)) { 
			if (document.getElementById) {
				divs[i].style.posLeft = document.body.scrollLeft + 0; // reposition layer to HERE
        		divs[i].style.posTop = document.body.scrollTop + 0; 
		  		divs[i].style.visibility="visible"; 
			}
			else { 
				if (document.layers) { // Netscape 4 
					document.layers[divs[i]].display = 'visible'; 
				}
				else { // IE 4 
					document.all.hideShow.divs[i].visibility = 'visible'; 
				}
			}
		}
	}
}

function filename_has_extension(filename) {
	if (filename.indexOf('.') > -1) {
		return true;
	}
	else {
		return false;
	}
}

function isEmail(string) {
	if (string.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)
		return true;
	else
		return false;
}


function plu_toggle(id) {
	Effect.toggle(id, 'blind', {duration: 0.2}); 
	if (document.getElementById(id).style.display=='none') {
		document.getElementById(id + '_arrow').src = 'images/arrowd.gif';
	}
	else {
		document.getElementById(id + '_arrow').src = 'images/arrow.gif';
	}
}