// JavaScript Document

// opens a new window, brings it to the front if already opened
function openNewWindow(theURL, theName, theWidth, theHeight)
{	
	// center the window
	theTop = (screen.height - theHeight) / 2;
	theLeft = (screen.width - theWidth) / 2;
	
	// set the window properties
	theStuff  = 'width='+theWidth+ ',height='+theHeight;
	theStuff += ',top='+theTop+ ',left='+theLeft;
	theStuff += ',resizable=no,scrollbars=no,menubar=no,status=no';
	
	// open the window
	var theWindow = window.open(theURL, theName, theStuff);
	theWindow.focus();	
}
  
// this function is depreciated, use openNewWindow instead
// inclusion of this function is meant to catch previous
// calls to the old function
function openWindow(theURL, theName, features)
{ 
	
	// split features into its parts
	var featuresArray = features.split(",");
	
	// loop through the split parts
	for (i=0; i < featuresArray.length; i++) {
		
		var theString = featuresArray[i];
		
		// grab the width
		if (theString.substring(0,5) == 'width') {
			theWidth = theString.substring(6,theString.length);
		}
		
		// and the height
		else if (theString.substring(0,6) == 'height') {
			theHeight = theString.substring(7,theString.length);
		}
	}

	openNewWindow(theURL, theName, theWidth, theHeight);
}

function selectLocation(theForm)
{
	theForm = theForm.form;

	// change the command to changeLocation
	theForm.elements['cmd'].value = "changeLocation";

	// close child window
	if (window.childWindow)
		childWindow.close();
	
	// submit the form
	theForm.submit();
}

function submitForm() {
   document.forms[0].elements['cmd'].value = "doRegister";
   document.forms[0].action = "index.php";
   if (window.childWindow) {
      childWindow.close();
   }
   document.forms[0].submit();
}

function clearForm() {
   document.forms[0].elements['cmd'].value = "clearForm";
   document.forms[0].action = "index.php";
   if (window.childWindow) {
      childWindow.close();
   }
   document.forms[0].submit();
}

// ****************************************************************************
// Use Javascript method (window.open) to generate a pop-up window
// containing a PHP calendar date/time picker. Pass the parent form name and
// field name via the URL.
// ****************************************************************************
function getSession(formName, fieldName, locationId, phpCalendar) {
   childWindow = window.open(phpCalendar + '?formName=' + formName + '&fieldName=' + fieldName + '&locationId=' + locationId, "PopUpCalendar", "width=400,height=500,top=200,left=450,toolbar=no,scrollbars=no,status=no,resizable=yes");
   childWindow.opener = self;
   childWindow.focus();
}

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];}
}