/****************************************************************************************************************************************************/

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_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 popupInputWin( pageURL, winName, popupWidth, popupHeight, includeScroll )		{

	if (navigator.appName.indexOf("Microsoft") != -1)	{
		var thisWidth = document.body.offsetWidth;
		var thisHeight = document.body.offsetHeight
		var thisX = window.screenLeft;
		var thisY = window.screenTop;
	}
	else	{
		var thisWidth = window.innerWidth;
		var thisHeight = window.innerHeight				
		var thisX = window.screenX;
		var thisY = window.screenY;
	}

	var xPopup = thisX + ((thisWidth - popupWidth) / 2);
	var yPopup = thisY + ((thisHeight - popupHeight) / 2);

	if (xPopup <= 0)	{	xPopup = 1;	}
	if (yPopup <= 0)	{	yPopup = 1;	}

	var winAttributes = 	"width=" + popupWidth + "," + 
								"height=" + popupHeight + "," +
								"scrollbars=" + includeScroll + "," + 
								"resizable=no," +
								"left=" + xPopup + "," +
								"top=" + yPopup;
	
	// var theWin = window.open("popup_choose_disc.php", "theWin", winAttributes, true );
	var theWin = window.open(pageURL, winName, winAttributes, true );
	theWin.moveTo( xPopup, yPopup );			// in case of old browsers
	theWin.focus();
	
}		// popupInputWin()

/****************************************************************************************************************************************************/

function popupExtWin(pageURL)	{
	var theWin = window.open(pageURL, "scrollbars=yes,resizable=yes,toolbars=yes,status=yes,location=yes");
	theWin.focus();
}		// popupExtWin()

/****************************************************************************************************************************************************/

function openLocalSized( urlLocal, w, h )	{
	var locWin = window.open( urlLocal, "winLocal", "width="+w+",height="+h+",toolbar=no,status=no,scrollbars=no,location=no,resizable=yes", true );
	if (locWin)		{	locWin.focus();	}
}		// openLocalSized()	  

/****************************************************************************************************************************************************/
// found on experts exchange, courtesy of Ralph Brown: handle "knightEknight"
function trim(str)
{
   return str.replace(/^\s*|\s*$/g,"");
}		// trim()

/****************************************************************************************************************************************************/

function isFilledField(formElement)		{
	fieldValue = trim(formElement.value);
	return fieldValue.length > 0;
}		// isFilledField()

/****************************************************************************************************************************************************/