function checkOS() {
  if(navigator.userAgent.indexOf('IRIX') != -1)
    { var OpSys = "Irix"; }
  else if((navigator.userAgent.indexOf('Win') != -1) &&
  (navigator.userAgent.indexOf('95') != -1))
    { var OpSys = "Windows95"; }
  else if(navigator.userAgent.indexOf('Win') != -1)
    { var OpSys = "Windows3.1 or NT"; }
  else if(navigator.userAgent.indexOf('Mac') != -1)
    { var OpSys = "Macintosh"; }
  else { var OpSys = "other"; }
  return OpSys;
}

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_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 hide_all()
{MM_showHideLayers('nav_1','','hide','nav_2','','hide','nav_3','','hide','nav_1a','','hide','nav_1b','','hide','nav_1c','','hide','nav_2a','','hide','nav_2b','','hide','nav_2c','','hide','nav_3a','','hide','nav_3b','','hide','nav_3c','','hide','nav_3d','','hide')
}*/

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_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_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 MM_jumpMenu(targ,selObj,restore){ //v3.0
  if (selObj.options[selObj.selectedIndex].value != '') {
	  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
	  if (restore) selObj.selectedIndex=0;
  }
}

function MM_jumpMenuGo(selName,targ,restore){ //v3.0
  var selObj = MM_findObj(selName); if (selObj) MM_jumpMenu(targ,selObj,restore);
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

//*********** Form verification start ***********
// Return true if the fields are empty.
function isblank(s)
{
	for (var a = 0; a < s.length; i++)
	{
		var c = s.charAt(a);
		if ((c != '') && (c != '\n') && (c != '\t')) return false;
	}
	return true;
}

function verify_email(strInputName, strFancyName) {
	var obj;
	var pattern = /\w+@\w+\.\w+/i;
	
	if ((obj=MM_findObj(strInputName))!=null) {
		if (!pattern.test(obj.value)) {
			return "\n"+ strFancyName;
		}
	}
	
	return "";
}

function verify_dropdown(strInputName, strFancyName) {
	var obj;
	
	if ((obj=MM_findObj(strInputName))!=null) {
		var index = obj.selectedIndex;
		if (index > -1) {
			if (obj.options[index].value == "" || obj.options[index].value <= 0) {
				return "\n"+ strFancyName;
			}
		}
	}
	return "";
}

function verify_notempty(strInputName, strFancyName) {
	var obj;
	
	if ((obj=MM_findObj(strInputName))!=null) {
		if ((obj.value == null) || obj.value == "" || isblank(obj.value)) {
			return "\n"+ strFancyName;
		}
	}
	
	return "";
}

// Check that the fields contain validated data.	
function verify(f)
{
	var msg;
	var empty_fields = "";
	var errors = "";

	for (var i = 0; i < f.length; i++)
	{
		var e = f.elements[i];
		if (((e.type == "password") || (e.type == "text")) && e.required)
		{
			// Check if the field is empty.
			if ((e.value == null) || (e.value == "") || isblank(e.value))
			{
				empty_fields += "\n              " + e.fancyname;
				continue;
			}
		}
	}
	// If there are errors, display a message.
	if (!empty_fields && !errors) return true;

	msg  = "Error submitting the form:\n\n";
	
	if (empty_fields)
	{
		msg += "- The following required field(s) are empty:"
			+ empty_fields + "\n";
		if (errors) msg += "\n";
	}
	msg += errors;
	alert(msg);
	return false;
}
//*********** Form verification end ***********

function overbg(obj)
{
	if (obj.className=='navleft')
	{	
		obj.style.backgroundColor='#AECFCE';
		obj.style.backgroundImage='url("/images/sp2.gif")';
	}
	if (obj.className=='navleftchild')
	{
		obj.style.backgroundColor='#7FAFD7';
		obj.style.backgroundImage='url("/images/sp2.gif")';
	}	
	if (obj.className=='off')
	{
		obj.className='on';
	}
}

function outbg(obj)
{
	if (obj.className=='navleft')
	{	
		obj.style.backgroundColor='#FFFFFF';
		obj.style.backgroundImage='url("/images/navlbg.gif")';
	}
	if (obj.className=='navleftchild')
	{
		obj.style.backgroundColor='#CBDEEE';
		obj.style.backgroundImage='url("/images/sp2.gif")';
	}
	if (obj.className=='on')
	{
		obj.className='off';
	}
}

function demopopup(src) {

var pattern = /\W/gi;
var strName = src.replace(pattern, '');

window.open(src, strName, 'width=700,height=500');

}

function setPage() {
	var x = document.getElementsByTagName('div');
	for (var i=0;i<x.length;i++)
	{
		if (x[i].className == 'navleft')
			overbg(x[i]);
			outbg(x[i]);
	}
}

function fnClearSearch(objSearch) {
	if (objSearch.value = 'Search') {
		objSearch.value = '';
	}
}