/**************************************************************
AUTHOR::ITODS
All Rights Reserved
****************************************************************/

// function to validate only numeric data entry

function CheckKeyCode()
{
  if(event.keyCode == 8 || event.keyCode == 9 || event.keyCode == 37 || event.keyCode == 38 || event.keyCode == 39 || event.keyCode == 40 || event.keyCode == 46)
  {return true;}   
  else if (event.keyCode >= 48 && event.keyCode <= 57)
  {return true;}
  else if (event.keyCode >= 96 && event.keyCode <= 105)
  { return true; }
  else if (event.keyCode == 107 || event.keyCode == 109 || event.keyCode == 110 || event.keyCode == 189 || event.keyCode == 188 || event.keyCode == 190)
  {return true;}
   else { return false;}
}

// function to validate only alpha-character entry

function CheckAlpha()
{  
  if(event.keyCode == 8 || event.keyCode == 16 || event.keyCode == 32)
  {return true;} 
  else if (event.keyCode == 37 || event.keyCode == 38 || event.keyCode == 39 || event.keyCode == 40 || event.keyCode == 46)
  {return true;}
  else if (event.keyCode >= 65 && event.keyCode <= 90) 
  { return true; }  
  else if (event.keyCode == 9 || event.keyCode == 127)
  {return true;}
  else if (event.keyCode == 188 || event.keyCode == 190)
  {return true;}
  else {    return false;  }
  
}

//email validation

function eml_check(chk_str)
	{	
	var str=chk_str.value;
	if(str!="")
		{
		var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
		if (filter.test(str) && str.length >= 6 && str.length <= 50)
		testresults=true
		else
		{
		alert("A valid email address is required having max. length 50 characters");
		chk_str.focus();		
		return false;
	    }
	    }	
}


// checking blank fields on contact us form

function checkContact()
{
if (frmcontact.sender_name.value=="")
	{
	alert ("Please enter your name.");
	frmcontact.sender_name.focus();
	return false;
	}

if (frmcontact.sender_eml.value=="")
	{
	alert ("Please enter your e-mail address.");
	frmcontact.sender_eml.focus();
	return false;
	}
	
if (frmcontact.sender_ques.value=="")
	{
	alert ("Please enter your question.");
	frmcontact.sender_ques.focus();
	return false;
	}
	
return true;

}