var W3C = document.getElementById? true : false;
var NN4 = document.layers? true : false; 
var IE4 = document.all? true : false;
function showLayer(layerid) {
if (W3C) { 
document.getElementById(layerid).style.visibility = "visible";
}
else if (IE4) {
document.all[layerid].style.visibility = "visible";
}
else if(NN4) {
document.layers[layerid].visibility = "show";
}
}
function hideLayer(layerid) {
if (W3C) {
document.getElementById(layerid).style.visibility = "hidden";
}
if (IE4) {
document.all[layerid].style.visibility = "hidden";
}
else if(NN4) {
document.layers[layerid].visibility = "hide";
}
}	
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) { //v3.0
  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); 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 openPopupWindow(strTarget, strWindow) {
	var intResult;
			
	intResult = window.open(strTarget, strWindow);
	return intResult;		
}
function IsFilled(varValue) {
	var blnIsFilled;
	if (varValue == "" || varValue == null) {
		blnIsFilled = false
		}
	else {
		blnIsFilled = true;
		}
	return blnIsFilled;
}
function ValidateField(strValue, blnRequired, blnNumeric, strMessage) {
	var blnFilled = false;
	var blnValid = true;
	var strMessage = "";
	blnFilled = IsFilled(strValue);
			
	// If field is required.
	if (blnRequired == true) {
		// Test for value.
		if (blnFilled == false) {
			strMessage = "Enter required field. ";
			blnValid = false;
		}
	}
			
	// Only perform more edits if no error so far.
	if (blnValid == true) {
		// If field should be a number.
		if (blnNumeric == true) {
			// Test for number.
			if (isInteger(strValue) == false) {
				strMessage = "Enter a number. ";
				blnValid = false;
			}
		}
	}
	return strMessage;
}
var reInteger =/^\d+$/
function isInteger (s) {
	return reInteger.test(s)
}
function MyOpenPopUp(txtPage) {
	stroptions = "toolbar=no,width=400,height=300,directories=no,status=no,scrollbars=yes,menubar=no";
	windowid=window.open(txtPage,"eGgrip",stroptions);
	if (window.opener == null) {
		windowid.opener = self;
	}
	windowid.focus
}
function MyOpenPopUpLarge(txtPage) {
	stroptions = "toolbar=no,width=750,height=600,directories=no,status=no,scrollbars=yes,menubar=no";
	windowid=window.open(txtPage,"Lifting",stroptions);
	if (window.opener == null) {
		windowid.opener = self;
	}
	windowid.focus
}
function MyOpenBrowser(txtPage) {
	stroptions = "width=600,height=400,directories=yes,status=yes,scrollbars=yes,menubar=yes";
	windowid=window.open(txtPage,"MarkAllenOnline",stroptions);
	if (window.opener == null) {
		windowid.opener = self;
	}
	windowid.focus
}

function trim(str)
{
   return str.replace(/^\s*|\s*$/g,"");
}