//function to Check Empty

  function IsEmpty(fld,mesg)

  {

  	reg = / /g;

  	str = fld.value;

  	res = str.replace(reg,"");

	reg = /\s/g;

	res = res.replace(reg,"");

  	if(res == "")

  	{

  		alert(mesg);

  		fld.value="";

  		fld.focus();

  		return false;

  	}		

  	return true;

  }



  //function to Check Empty but no alert message & return bool value

  function IsEmptyNoMsg(fld)

  {

  	reg = / /g;

  	str = fld.value;

  	res = str.replace(reg,"");

	reg = /\s/g;

	res = res.replace(reg,"");

  	if(res == "")

  	{

  		return true;

  	}		

  	return false;

  }





//function to Check email

// opt value 0 if mandatory and 1 if not

function CheckEmail(fld,msg,opt)

{

	if(opt=="0" || fld.value!="")

	{

	

	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(msg);

		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(msg);

	return false;

	   }

	}

	for (i=0; i<domain.length; i++) {

	if (domain.charCodeAt(i)>127) {

	fld.focus();

	fld.select();

	alert(msg);

	return false;

	   }

	}



	// See if "user" is valid 



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



	// user is not valid

	fld.focus();

	fld.select();

	alert(msg);

	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(msg);

	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(msg);

	return false;

	   }

	}



	if (checkTLD && domArr[domArr.length-1].length!=2 && 

	domArr[domArr.length-1].search(knownDomsPat)==-1) {

	fld.focus();

	fld.select();

	alert(msg);

	return false;

	}



	if (len<2) {

	fld.focus();

	fld.select();

	alert(msg);

	return false;

	}

	return true;

}

return true;

}



//function to Check Phone

function CheckPhone(fld1,fld2,fld3)

{

	if(fld1.value=='')

    {

		alert('Telephone number should be in xxx-xxx-xxxx format only.');

		fld1.focus();

		return false;

	}

    if(isNaN(fld1.value)==true)

    {

		alert('Telephone number could contain numeric values only.');

		fld1.focus();

		return false;

    }

    if(fld1.value.length!=3)

    {

		alert('Telephone number should be in xxx-xxx-xxxx format only.');

		fld1.focus();

		return false;

    }

    if(isNaN(fld2.value)==true)

    {

		alert('Telephone number could contain numeric values only.');

		fld2.focus();

		return false;

    }

	if(fld2.value.length!=3)

	{

		alert('Telephone number should be in xxx-xxx-xxxx format only.');

		fld2.focus();

		return false;

	}

	if(isNaN(fld3.value)==true)

	{

		alert('Telephone number could contain numeric values only.');

		fld3.focus();

		return false;

	}

	if(fld3.value.length!=4)

	{

		alert('Telephone number should be in xxx-xxx-xxxx format only.');

		fld3.focus();

		return false;

	}

	return true;

}



function checkjs()

{

	var js="yes";

	return js;

}





function UserValidation(FRMName)

{



//	alert(FRMName.ftitle.value)



	if(!IsEmpty(FRMName.ffirstname,"Please type your 'First Name' in the space provided"))

	{

		return false;

	};

	if(!IsEmpty(FRMName.flastname,"Please type your 'Last name' in the space provided"))

	{

		return false;

	};

	if(!CheckEmail(FRMName.femail,"Please type a valid 'Email address' in the space provided",0))

	{

		return false;

	};

	if(!IsEmpty(FRMName.fpassword,"Please type your 'Password' in the space provided."))

	{

		return false;

	};

	if(!IsEmpty(FRMName.fconfirm,"Please confirm your password in the space provided."))

	{

		return false;

	};



	if(FRMName.fpassword.value != FRMName.fconfirm.value)

	{

		alert("The password entered in the 'Confirm Password' field does \nnot match your password; if necessary, please re-type \nyour password and confirm in the spaces provided.")



		return false;

	};

	if(!IsEmpty(FRMName.freminder,"Please type your 'Password Reminder' in the space provided."))

	{

		return false;

	};



	if(!IsEmpty(FRMName.fjob,"Please type your 'Job title' in the space provided'"))

	{

		return false;

	};

	if(!IsEmpty(FRMName.forganisation,"Please type your 'Organisation' in the space provided"))

	{

		return false;

	};

	if(!IsEmpty(FRMName.ftel,"Please type your 'Telephone Number' in the space provided"))

	{

		return false;

	};

}



function userLoginValidate(FRMName)

{



	if(!IsEmpty(FRMName.femail,"Please enter your 'username' in the space provided."))

	{

		return false;

	};



	if(!CheckEmail(FRMName.femail,"Please type a valid 'Email address' in the space provided",0))

	{

		return false;

	};



	if(!IsEmpty(FRMName.fpassword,"Please enter your 'Password' in the space provided."))

	{

		return false;

	};



}



function CheckUrl(fld,mesg)

{

 	if(fld.value.indexOf("http://")==-1 || fld.value.indexOf(".")==-1)

 	{

		alert(mesg);

		fld.focus();

		fld.select();

 		return false;

	}

	return true;

}    





// validFileFormat=/(.gif|.GIF|.jpg|.JPG|.jpeg|.JPEG|.png|.PNG)$/;

function IsValidFileFormat(fld, validFileFormat, mesg)

{

	if(!validFileFormat.test(fld.value))

	{

		alert(mesg);

		fld.focus();

		fld.select();

		return false;

	}



	return true;

} 







function TestFileType(fileName,fileTypes)

	{





   if (!fileName) return;

   dots = fileName.split(".")



   //get the part AFTER the LAST period.



   fileType = "." + dots[dots.length-1];

    return (fileTypes.join(".").indexOf(fileType) != -1) ?true: alert("Please only upload files that end in types: \n\n" + (fileTypes.join(" .")) + "\n\nPlease select a new file and try again.");

   return false;   

}



function IsNumber(fld,mesg)

{

	reg = / /g;

	str = fld.value;

	res = str.replace(reg,"");

	reg = /\s/g;

	res = res.replace(reg,"");

	

	if(res == "" || isNaN(res))

	{

		alert(mesg);

		fld.select();

		fld.focus();

		return false;

	}		

	return true;

}



function IsFldValChanged(frm)

{

	frm.haschanged.value=1;

}



function undoNonNumValue(fld)

{

	var key;

	key	= event.keyCode;



	// 13 = Enter Key Press; 40 = (; 41 = ); 46 = .;

	if(key==13 || key==46)

	{}

	else if(key < 48 || key > 57)

	{

		window.event.returnValue=false;

	}	

}



function formatAmt(fld)

{

	reg	= / /g;

	amt	= fld.value;

	amt	= amt.replace(reg, "");

	if(amt != "")

	{

		if(amt.indexOf(".")== -1)

		{

			fld.value = amt+".00";

		}

		else

		{

			arr = amt.split(".")

			str = arr[1];

			if(str == "")

			{

				fld.value = amt+"00";

			}

			else

			{

				switch(str.length)

				{

					case 0:

						fld.value = amt+".00";

						break;

					case 1:

						fld.value = amt+"0";

						break;

				}

			}

		}

	}

}



function LimitTextArea(fld, len)

{

	str = fld.value;

	if(str.length >= len)

	{

		alert("Can not be added more words");

		window.event.returnValue=false;

	}

}