function IsNumeric(myfield,msgstr)
{
  if (isNaN(myfield.value) || (myfield.value)==""  )
   {
   		//alert ("Please enter only number ");
		alert(msgstr);
		//myfield.value=0;
		myfield.focus();
		return false;
   }  	
}

function IsEmpty(myfield,msgstr)
{
	if (myfield.value=="none")
	{
		if (msgstr!="")
		{
		alert(msgstr);
		}
		return false;
	}
}
	/*
function IsValidDate(Fromdate,Todate,Form)
{
var nDay,nMonth,nYear;
			switch (Form)
			{
			case 'cash':
					nDay = 	 document.MyForm.cashdt.value; 
					nMonth = document.MyForm.cashmnth.value; 
					nYear =  document.MyForm.cashyr.value;
					break;

			case 'jv':
					nDay = 	 document.MyForm.jvdt.value;
					nMonth = document.MyForm.jvmnth.value; 
					nYear =  document.MyForm.jvyr.value;
					break;

			case 'debitnote':
					nDay = 	 document.MyForm.debitnotedt.value;
					nMonth = document.MyForm.debitnotemnth.value; 
					nYear =  document.MyForm.debitnoteyr.value;
					break;
					
			case 'invoice':
					nDay = 	 document.MyForm.invdt.value;
					nMonth = document.MyForm.invmnth.value; 
					nYear =  document.MyForm.invyr.value;
					break;		
			case 'builty':
					nDay = 	 document.MyForm.builtydt.value;
					nMonth = document.MyForm.builtymnth.value; 
					nYear =  document.MyForm.builtyyr.value;
					break;
			case 'post':
				nDay = 	 document.MyForm.postdt.value;
				nMonth = document.MyForm.postmnth.value; 
				nYear =  document.MyForm.postyr.value;
				break;
			}
			
			myDate = new Date(nYear,nMonth-1,nDay);  //(nMonth-1) as javascript month start at 0

			<?
				$ldCurrentDate = date("Y-m-d");
				$ld1 = $_SESSION["fromdate"];
				$ld2 = $_SESSION["todate"];
				$ld1Ar = getDate(strtotime($ld1));
				$ld2Ar = getDate(strtotime($ld2));
			?>

			D1 = new Date(<?=$ld1Ar["year"]?>,<?=$ld1Ar["mon"]-1?>,<?=$ld1Ar["mday"]?>);
			D2 = new Date(<?=$ld2Ar["year"]?>,<?=$ld2Ar["mon"]-1?>,<?=$ld2Ar["mday"]?>);
			
			if(myDate<D1 || myDate>D2)
			{
				alert("Please select date from this financial year");
				return false;
			}
			else
			{
				return true;
			}
}*/
// Email Checking Start
function checkEmail(emailStr)
{
	var pattern = "/^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/";
	if (emailStr.match(pattern) != null)
			return true;
	else
		return false;
}
// Email checking End

// Image Extension  checking Start
function checkExtension(fname)
{
    var extension;

    extension = fname.substring(fname.lastIndexOf('.'),fname.length)

    if ((extension == ".gif") || (extension == ".jpg") || (extension == ".jpeg")  || (extension == ".png") || (extension == ".GIF") || (extension == ".JPG") || (extension == ".JPEG")  || (extension == ".PNG") )
         return true;
    else
           return false;
    
}
// Image Extension  checking End

// For REquired field Start

function validate_required(field,alerttxt)
{
	alert("tested");
	with (field)
	{
	  if (value==null||value=="")
	  {
		  alert(alerttxt);
		  return false;
	  }
	  else
	  {
		  return true;
	  }
	}
}
// For REquired field End
function checksinglequotation(Str)
{
	var pattern = new RegExp("'");
	return pattern.test(Str)
}


function fn_validateNumeric(thi)
{
   if (((event.keyCode < 48) || (event.keyCode > 57)) && (event.keyCode != 46))
      event.returnValue = false;
	var myString=thi.value;
	if(event.keyCode == 46 && myString.indexOf(".")>=0)
      event.returnValue = false;
}
function fn_Integer(thi)
{
   if (((event.keyCode < 48) || (event.keyCode > 57)) )
      event.returnValue = false;
	var myString=thi.value;
	//if(event.keyCode == 46 && myString.indexOf(".")>=0)
//      event.returnValue = false;
}

function fn_checksinglequotation(thi)
{
	if(event.keyCode == 39)	
	event.returnValue = false;
}
function roundno(num) 
{
	//var newnumber = Math.round(num* Math.pow(10,upto))/(10*Math.pow(10,upto));
	var newnumber = Math.round(num*100)/100;
	return newnumber;
	
}
//function fn_gsm()
//{
//var meshwarp=eval(document.myform.meshwarp.value);
//var meshweft=eval(document.myform.meshweft.value);
//var denier=eval(document.myform.denier.value);
//document.myform.gsm.value=roundno((meshwarp+meshweft)*denier*39.37/9000);
//}
function fn_weightpermeter()
{
var meshwarp=eval(document.myform.meshwarp.value);
var meshweft=eval(document.myform.meshweft.value);
var denier=eval(document.myform.denier.value);
var width=eval(document.myform.width.value);
document.myform.weightpermeter.value=roundno((meshwarp+meshweft)*(width*2*denier)/(2.54*9000))
document.myform.gsm.value=roundno((meshwarp+meshweft)*denier*39.37/9000);
}

function fn_cutpieceweight()
{
var weightpermeter=eval(document.myform.weightpermeter.value);
var cutlength=eval(document.myform.cutlength.value);
document.myform.cutpieceweight.value=roundno(weightpermeter*cutlength/100 );
}


/**
 * DHTML date validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strMonth=dtStr.substring(0,pos1)
	var strDay=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		alert("The date format should be : mm/dd/yyyy")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12)
	{
		alert("Please enter a valid month")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Please enter a valid day")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Please enter a valid date")
		return false
	}
return true
}

function ValidateForm(){
	var dt=document.frmSample.txtDate
	if (isDate(dt.value)==false){
		dt.focus()
		return false
	}
    return true
 }

function dateValidation(month,day,year)
{ 	
	//alert(month+"/"+day+"/"+year)
	var fday = 31
	if (month==4 || month==6 || month==9 || month==11) {fday = 30}
if (month==2) {fday= (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 )}
	if(day>fday)
	{
		//alert("Invalid Date")
		return false
	}	
	 return true
}
function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}


function stateChanged() 
{ 
	bar1.showBar()
	if (xmlHttp.readyState==4)
	{ 
		document.getElementById("grid").innerHTML=xmlHttp.responseText;
		bar1.hideBar()
	}
}

function win_close()
	{
		if(window.confirm('You have not saved changes. Are you sure to exit?')==true)
		{
			window.close();
		}
		else
		{
			return false;
		}
	}<!--