function displayStatusMsg(msgStr) {
	self.status=msgStr;
	document.returnValue = true;
}

function preloadImages() { //v3.0
	var d=document;
	if(d.images){
		if(!d.p) d.p=new Array();
		var i,j=d.p.length,args=preloadImages.arguments; 
		for(i=0; i<args.length; i++) {
			if (args[i].indexOf("#")!=0){
				d.p[j]=new Image;
				d.p[j++].src=args[i];
			}
		}
	}
}

function swapImgRestore() { //v3.0
	var i,x,a=document.sr;
	for (i=0; a&&i<a.length&&(x=a[i])&&x.oSrc; i++)
		x.src=x.oSrc;
}

function findObj(n, d) { //v4.0
	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=findObj(n,d.layers[i].document);
	if(!x && document.getElementById) x=document.getElementById(n);

	return x;
}

function swapImage() { //v3.0
	var i,j=0,x,args=swapImage.arguments;
	document.sr=new Array;
	for(i=0;i<(args.length-2);i+=3) {
		if ((x=findObj(args[i]))!=null) {
			document.sr[j++]=x; 
			if(!x.oSrc) x.oSrc=x.src; 
			x.src=args[i+2];
		}
	}
	document.returnValue = true;
}

function showHideLayers() { //v3.0
	var i,v,obj,args=showHideLayers.arguments;
	for (i=0; i<(args.length-2); i+=3) {
		if ((obj=findObj(args[i]))!=null) {
			v=args[i+2];
			if (obj.style) {
				obj=obj.style;
				v=(v=='show')?'visible':(v='hide')?'hidden':v;
			}
			obj.visibility=v;
		}
	}
}

function getSelectedRadio(buttonGroup) {
  // returns the array number of the selected radio button or -1 if no button is selected
  if (buttonGroup[0]) { // if the button group is an array (one button is not an array)
    for (var i=0; i<buttonGroup.length; i++) {
      if (buttonGroup[i].checked) {
        return i
      }
    }
  } else {
    if (buttonGroup.checked) { return 0; } // if the one button is checked, return zero
  }
  // if we get to this point, no radio button is selected
  return -1;
} // Ends the "getSelectedRadio" function

function getSelectedRadioValue(buttonGroup) {
  // returns the value of the selected radio button or "" if no button is selected
  var i = getSelectedRadio(buttonGroup);
  if (i == -1) {
    return "";
  } else {
    if (buttonGroup[i]) { // Make sure the button group is an array (not just one button)
      return buttonGroup[i].value;
    } else { // The button group is just the one button, and it is checked
      return buttonGroup.value;
    }
  }
} // Ends the "getSelectedRadioValue" function

function getSelectedOptionValue(optionGroup) {
  return optionGroup.options[optionGroup.selectedIndex].value;
}

function validateEmail(email_str) {
 var reg1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; //not valid
 var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/; //valid
 if (! email_str) {return -1;}
 else if (reg1.test(email_str) || ! reg2.test(email_str)) {return 0;}
 return 1;
}

function displayMsg(msgDiv,msg,msgType) {
if (!msgType) msgType = 'error';
var iconImage = '';
if (msgType=='error') {
  iconImage = '<img src="/image/i_alert.gif" width="19" height="19" alt="Error"\/>';
}
msgDiv.innerHTML='<table width="100%" cellpadding="3"><tr><td width="25">' + iconImage + '</td><td>'+msg+'</td></tr></table>';
msgDiv.style.display='block';
}