function round(s)
{
	var amount=new String(s);
	var index=amount.indexOf('.');
	if(index > 0)
	amount=amount.substring(0,index+3);
	return(amount);
}

function emailCheck(emailStr)
{
var emailPat=/^(.+)@(.+)$/
var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
var validChars="\[^\\s" + specialChars + "\]"
var quotedUser="(\"[^\"]*\")"
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
var atom=validChars + '+'
var word="(" + atom + "|" + quotedUser + ")"
var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
var matchArray=emailStr.match(emailPat)
if(emailStr=="") return true
if (matchArray==null) {
  alert("Email address seems incorrect (check @ and .'s)")
  return false
}
var user=matchArray[1]
var domain=matchArray[2]
if (user.match(userPat)==null) {
    alert("The username doesn't seem to be valid.")
    return false
}
var IPArray=domain.match(ipDomainPat)
if (IPArray!=null) {
	  for (var i=1;i<=4;i++) {
	    if (IPArray[i]>255) {
	        alert("Destination IP address is invalid!")
		return false
	    }
    }
    return true
}
var domainArray=domain.match(domainPat)
if (domainArray==null) {
	alert("The domain name doesn't seem to be valid.")
    return false
}
var atomPat=new RegExp(atom,"g")
var domArr=domain.match(atomPat)
var len=domArr.length
//if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>3) {
//   alert("The address must end in a three-letter domain, or two letter country.")
if (domArr[domArr.length-1].length<2) {
   alert("The address must end with atleast two letter")
   return false
}
if (len<2) {
   var errStr="This address is missing a hostname!"
   alert(errStr)
   return false
}
return true;
}

function trim(val)
{
	var a=new String(val.value);
	for(i=0;i < a.length;i++)
	{
		if(a.charAt(i)!=' ' && a.charAt(i)!=0) return;
	}
	val.value='';
}

function rtrim(val)
{
	var a=new String(val.value);
	for(i=a.length;i>0;i--)
	{
		if(a.charAt(i-1)==' ') { a=a.substring(0,(i-1)); val.value=a;}
		else return;
	}
}

function checkselect(f,fieldName)
{
	if(f.selectedIndex==0 || f.selectedIndex==-1)
	{
		alert('Please Select '+fieldName);
		f.focus();
		return false;
	}
	return true;
}

/*
function check_checkbox(f,g) validates whether any checkbox is checked
or not?F:is the reference of checkbox and g:is the message which
is to be displayed to the user.
*/

function check_checkbox(f,g)
{
var a=f.length;
var s=new String(a);
var flag=0;
if (s=='undefined')
	{
		if(f.checked==true) return true;
		else
		{
		alert(g+" should be checked");
		return false;
		}
	}
	else
	{
		for(i=0;i< a;i++)
		{
			if(f[i].checked==true)flag=1;
		}
	if(flag!=1)
		{
		alert(g+" should be checked");
		return false;
		}
	else
		return true;
	}
}

function checkAllWithArray(ref,stat)
{
var a=ref.length;
	for(i=0;i<a;i++)
	{
		if(stat == 'C')
			ref[i].checked=true;
		else
			ref[i].checked=false;
	}
}



/*
function isDate(f) is the function to validate the date.
The only parameter f is the reference of select box

*/

function isDate(f) {

var dateStr='';
dateStr = f.value;

var datePat = /^(\d{1,2})(\/|-)(\d{1,2})\2(\d{2}|\d{4})$/
var matchArray = dateStr.match(datePat)
if (matchArray == null) {
alert('Date is not in a valid format.')
return false
}
day = matchArray[1]
month = matchArray[3]
year = matchArray[4]
if (month < 1 || month > 12) {
alert('Month must be between 1 and 12.')
return false
}
if (day < 1 || day > 31) {
alert('Day must be between 1 and 31.')
return false
}
if ((month==4 || month==6 || month==9 || month==11) && day==31) {
alert("Month "+month+" doesn't have 31 days!")
return false
}
if (month == 2) {
var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0))
if (day>29 || (day==29 && !isleap)) {
alert("February " + year + " doesn't have " + day + " days!")
return false
   }
}
return true
}


/*
This function checknull(f,fieldName) validates the textbox for
null value.First parameter is the name of textbox and second
is the message which you want to display to user.

*/


function checkNull(f,fieldName)
{
	trim(f);
	if(f.value=='')
	{
		alert('Field '+fieldName+' should be specified');
		f.focus();
		return false;
	}
	return true;
}

/*	This function is used for edit mode and it selects the correct date in select box
	Function ComboDateSelect is takes first parameter comboname:select name
	and other parameter is the value which is obtained from database
	using getDate method.

*/


N = (document.all) ? 0 : 1;
if (N) {
document.captureEvents(Event.KEYPRESS)
}
var ob;
var ty;
var len;


function textareavalidation(val,i)
{
	ty=val;
	len=i;
	ty.onkeydown=MY;
	ty.onkeypress=MY;
	ty.onmousedown=MY;
}

function MY(e)
{
	if(N)
	X=e.which
	else
	X=event.keyCode
	var v=new String(ty.value);
	if(X==0)
	{
		ty.value=v.substring(0,len-1);
		return false;
	}


	//if(X==222)return false;
	if(X==8 || X==9 || (X>36 && X<41) || X==46)return true;

	if(v.length>=len-1)
	{
		ty.value=v.substring(0,len-1);
		return false;
	}
	return true;
}

/*
This function LimitTextArea(txtareaname,len) checks the maximum length
of textarea.
*/

function LimitTextArea(txtareaname,len)
{
	var p = new String(txtareaname.value);
	var leng=p.length;
	if(leng>len)
	{
		alert("The maximum limit of this text area is "+len+ " characters and You have entered "+leng+" characters");
		txtareaname.focus();
		return false;
	}
	return true;
}


function selection(comboname,val)
{
	v=comboname.options.length
	for(i=0;i < v;i++)
	{
		if(comboname.options[i].value==val)
			comboname.options[i].selected=true;
	}
}



function compareDate(d1,d2)
{
	var date1=d1[1].value+'/'+d1[0].value+'/'+d1[2].value;
	var date2=d2[1].value+'/'+d2[0].value+'/'+d2[2].value;
	var firstdate=new Date(date1);
	var seconddate=new Date(date2);
	if(firstdate>seconddate) return false;
	else return true;
}

function isEqual(d1,d2)
{
	var date1=d1[1].value+'/'+d1[0].value+'/'+d1[2].value;
	var date2=d2[1].value+'/'+d2[0].value+'/'+d2[2].value;
	var firstdate=new Date(date1);
	var seconddate=new Date(date2);
	//alert(firstdate);
	//alert(seconddate);
	if(firstdate!=seconddate) return false;
	else
	return true;
}
function isGreater(d1,d2)
{
	var date1=d1;
	var date2=d2;
	var firstdate=new Date(date1);
	var seconddate=new Date(date2);
	if(firstdate>seconddate) return true;
	else return false;
}


function checkdate(d,m,y) {

var day =  d;
var month= m;
var year = y;
if (month < 1 || month > 12) {
alert('Month must be between 1 and 12.')
return false
}
if (day < 1 || day > 31) {
alert('Day must be between 1 and 31.')
return false
}
if ((month==4 || month==6 || month==9 || month==11) && day==31) {
alert("Month "+month+" doesn't have 31 days!")
return false
}
if (month == 2) {
var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0))
if (day>29 || (day==29 && !isleap)) {
alert("February " + year + " doesn't have " + day + " days!")
return false
   }
}
return true
}