//function to Check  Phone
function CheckPhone(fld)
{
	if(fld.value=='')
    {
		alert('Please enter Phone No.');
		fld.focus();
		return false;
	}
 
	return true;
}
function CheckEmpty(fld,msg)
{
	if(fld.value=='')
    {
		alert(msg);
		fld.focus();
		return false;
	}
 
	return true;
}

//function to Check email
function CheckEmail(fld)
{
	if(fld.value=="")
	{
		alert("Please enter email address.");
		fld.focus();
		return false;
	}

	var emailStr=fld.value;
	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;

	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 (matchArray==null)
	{
		fld.focus();
		fld.select();
		alert("Email address format seems incorrect.");
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];

	for (i=0; i<user.length; i++) {
	if (user.charCodeAt(i)>127) {
	fld.focus();
	fld.select();
	alert("Email address format seems incorrect.");
	return false;
	   }
	}
	for (i=0; i<domain.length; i++) {
	if (domain.charCodeAt(i)>127) {
	fld.focus();
	fld.select();
	alert("Email address format seems incorrect.");
	return false;
	   }
	}

	// See if "user" is valid 

	if (user.match(userPat)==null) {

	// user is not valid
	fld.focus();
	fld.select();
	alert("Email address format seems incorrect.");
	return false;
	}

	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) 
	{
	for (var i=1;i<=4;i++) {
	if (IPArray[i]>255) {
	fld.focus();
	fld.select();
	alert("Email address format seems incorrect.");
	return false;
	   }
	}
	return true;
	}


	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
	if (domArr[i].search(atomPat)==-1) {
	fld.focus();
	fld.select();
	alert("Email address format seems incorrect.");
	return false;
	   }
	}

	if (checkTLD && domArr[domArr.length-1].length!=2 && 
	domArr[domArr.length-1].search(knownDomsPat)==-1) {
	fld.focus();
	fld.select();
	alert("Email address format seems incorrect.");
	return false;
	}

	if (len<2) {
	fld.focus();
	fld.select();
	alert("Email address format seems incorrect.");
	return false;
	}
	return true;
}


function CheckComp(fld)
{
	if(fld.value=="" || fld.value.charAt(0)==" ")
	{
		alert("Please enter Company Name.");
		fld.focus();
		return false;
	}
	return true;
}
function CheckName(fld)
{
	if(fld.value=="" || fld.value.charAt(0)==" ")
	{
		alert("Please enter Name.");
		fld.focus();
		return false;
	}
	return true;
}


function CheckAdd(fld)
{
	if(fld.value=="" || fld.value.charAt(0)==" ")
	{
		alert("Please enter Address.");
		fld.focus();
		return false;
	}
	return true;
}

function CheckUrl(fld)
{
	if(fld.value.indexOf("://")!=-1 && fld.value!="")
	{
		alert("Please do not include http:// or https://.");
		fld.focus();
		fld.select();
		return false;
	}
	
	return true;
}

function CheckPass(fld1,fld2)
{
	if(fld1.value.length<5  || fld1.value.length>20)
	{
		alert('Password length should be between 5 and 20 characters.');
		fld1.value="";
		fld2.value="";
		fld1.focus();
		fld1.select();
		return false;
	}
	return true
}
function CheckPass2(fld)
{
	if(fld.value.length<5  || fld.value.length>20)
	{
		alert('Password length should be between 5 and 20 characters.');
		fld.value="";
		fld.focus();
		fld.select();
		return false;
	}
	return true
}

function CheckConPass(fld1,fld2)
{
	if(fld1.value!=fld2.value)
	{
		alert('Confirmation password does not match.');
		fld2.value="";
		fld2.focus();
		fld2.select();
		return false;
	}
	return true;
}

function CheckPriceFormat(fld)
{
	if(isNaN(fld.value)==true)
	{
		alert('Price may only contain numeric values.\nFor example: $100,000 should be entered as 100000.');
		fld.focus();
		fld.select();
		return false;
	}
	return true;
}
function CheckSizeFormat(fld,msg)
{
	if(isNaN(fld.value)==true)
	{
		alert(msg);
		fld.focus();
		fld.select();
		return false;
	}
	return true;
}
function GetConfirmation(msg)
{
	if (window.confirm(msg))
	{
	  return true
	}
	else
	{
		return false
	}
	return true;
}
checkAll = true;
function SelectAll(frm)
{
	for (i = 0; i <frm.elements.length; i++)
	{
		frm.elements[i].checked = checkAll
	}
	checkAll = (checkAll) ? false : true
}

function OpenHelp(sec,fld)
{
	NewWindow('fld_help.php?sec='+sec+'&fld='+fld,'help_win','220','120','yes','center')
}



function ValidateFeedBackForm(frm)
{
	name_fld=eval(frm.name_fld);
	add_fld=eval(frm.add1_fld);
	ph1_fld=eval(frm.phone_fld);
	email_fld=eval(frm.email_fld);
	comments_fld=eval(frm.comment_fld);

	if(!CheckName(name_fld))
	{
		return false
	}
	if(!CheckAdd(add_fld))
	{
		return false
	}
	if(!CheckEmail(email_fld))
	{
		return false
	}
	if(!CheckComments(comments_fld))
	{
		return false
	}
}


function ValidateNewUserForm(frm)
{
	name_fld=eval(frm.name_fld);
	add_fld=eval(frm.add_fld);
	qualification_fld=eval(frm.qualification_fld);
	ph1_fld=eval(frm.phone_fld);
	email_fld=eval(frm.email_fld);
	comments_fld=eval(frm.comment_fld);

	if(!CheckName(name_fld))
	{
		return false
	}

	if(qualification_fld.value=="" || qualification_fld.value.charAt(0)==" ")
	{
		alert("Please enter Qualification.");
		qualification_fld.focus();
		return false;
	}

	if(!CheckAdd(add_fld))
	{
		return false
	}

	if(!CheckAdd(qualification_fld))
	{
		return false
	}
	if(!CheckEmail(email_fld))
	{
		return false
	}
	if(!CheckComments(comments_fld))
	{
		return false
	}
}