var browserName=navigator.appName; 
var browserVer=parseInt(navigator.appVersion);
var OpSys = checkOS();

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 = "Windows"; }
  else if((navigator.userAgent.indexOf('Win') != -1) &&
  (navigator.userAgent.indexOf('98') != -1))
    { var OpSys = "Windows"; }
  else if(navigator.userAgent.indexOf('Win') != -1)
    { var OpSys = "Windows"; }
  else if(navigator.userAgent.indexOf('Mac') != -1)
    { var OpSys = "Macintosh"; }
  else { var OpSys = "other"; }
  return OpSys;
}

if (browserVer <5 && browserName=="Netscape" && OpSys=="Windows"){
 document.write("<STYLE> .sidenav, .footer, .sidenavon { font-size: 10px } </STYLE>");
}else{
  document.write("<STYLE> .footer, .sidenav, .sidenavon { font-size: 9px } </STYLE>");
}

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) { //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];}
}

var myWind;
function doNew(location, name, wheight, wwidth){
	if (!myWind || myWind.closed) {
		myWind = window.open(location,name,"height="+wheight+",width="+wwidth+",scrollbars,location=0");
	}else{
		// bring existing subwindow to the front
	 myWind = window.open(location,name,"height="+wheight+",width="+wwidth+",scrollbars,location=0");
	 myWind.focus();
	}
}

function focusForm() {
	document.forms[0].elements[0].focus();
}

function DateKeyPress(event){//only enter digits 0 to 9 and /
    if (event.keyCode == 9 || event.keyCode == 13) {event.returnValue = false;};
        
	// keycode check		
	if ( (event.keyCode != 9) && (event.keyCode != 13) && ((event.keyCode < 47) || (event.keyCode > 57)) ) 
		event.returnValue = false;
}

function NumberKeyPress(event,msgObj)
{//only enter digits 0 to 9 . ,

	if ( event.keyCode < 48  || event.keyCode > 57 ) {
			event.returnValue = false;
			if (msgObj)  document.getElementById(msgObj).innerHTML="This field is numeric only";
		}
}

function alphaNumericKeyPress(event,msgObj)
{//only enter digits 0 to 9 + alphas

	if ( (event.keyCode < 48  || event.keyCode > 57) &&  (event.keyCode < 65  || event.keyCode > 90) &&  (event.keyCode < 97  || event.keyCode > 122) ) {
			event.returnValue = false;
			if (msgObj)  document.getElementById(msgObj).innerHTML="This field is numeric only";
		}
}

function Valid_Date(datein, alertMsg, afterDate, afterDateMsg, beforeDate, beforeDateMsg){		
	var adate;
	var indate=datein;
	var sdate = indate.split("/");
	var chkDate = new Date(Math.abs(sdate[2]), 
		Math.abs(sdate[1]) - 1, //fix funny behaviour of Date constructor
		Math.abs(sdate[0]) );	
	var cmpDate=(chkDate.getDate())+"/"+(chkDate.getMonth() + 1)+"/"+(chkDate.getFullYear());
	var indate2=(Math.abs(sdate[0]))+"/"+(Math.abs(sdate[1]))+"/"+(Math.abs(sdate[2]));
	if (indate2!=cmpDate){
		if (alertMsg && alertMsg.length) alert(alertMsg);
		return false;
	}else	{
		if (cmpDate == "NaN/NaN/NaN" || chkDate.getFullYear() < 1000 ){
			if (alertMsg && alertMsg.length) alert(alertMsg);
			return false;
		}
	}
	
	if (afterDate != undefined){
		adate = afterDate.split("/");
		afterDate = new Date(Math.abs(adate[2]), Math.abs(adate[1]) - 1, Math.abs(adate[0]) );	
		if (chkDate <= afterDate) {
			alert(afterDateMsg);
			return false;
		}
	}

	if (beforeDate != undefined){
		adate = beforeDate.split("/");
		beforeDate = new Date(Math.abs(adate[2]), Math.abs(adate[1]) - 1, Math.abs(adate[0]) );	
		if (chkDate > beforeDate) {
			alert(beforeDateMsg);
			return false;
		}
	}
	return true;
}