function login()

{
if(document.login_form.username.value=='')

	{

		alert('Please Enter UserName!');

		document.login_form.username.focus();

		return false;

	}

	if(document.login_form.password.value=='')

	{

		alert('Please Enter Password!');

		document.login_form.password.focus();

		return false;

	}
		document.login_form.submit();
		return true;
}
function login2()

{
if(document.login_form2.username.value=='')

	{

		alert('Please Enter UserName!');

		document.login_form2.username.focus();

		return false;

	}

	if(document.login_form2.password.value=='')

	{

		alert('Please Enter Password!');

		document.login_form2.password.focus();

		return false;

	}
		document.login_form2.submit();
		return true;
}



function IsNumeric(sText)

{

   var ValidChars = "0123456789+-.";

   var IsNumber=true;

   var Char;

   for (i = 0; i < sText.length && IsNumber == true; i++) 

      { 

      Char = sText.charAt(i); 

      if (ValidChars.indexOf(Char) == -1) 

         {

         IsNumber = false;		 

         }

      }

   return IsNumber;

}

function valid()

{
if(document.form.name.value=='')

	{

		alert('Please Enter Your Name!');

		document.form.name.focus();

		return false;

	}

	
	if(document.form.phone.value=='')

	{

		alert('Please Enter Phone No.!');

		document.form.phone.focus();

		return false;

	}

	if (!IsNumeric(document.form.phone.value)) 

   	{ 

    	alert('Please enter only numbers in the Phone field.') 

    	document.form.phone.focus();

    	return false; 

    }

	if(document.form.email.value=='')

	{

		alert('Please Enter Your Email!');

		document.form.email.focus();

		return false;

	}

	if(document.form.email.value!="")

	{

		var emailRegEx = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;

		str = document.form.email.value;

		if(str!="")

		{

			if(str.match(emailRegEx))

			{

			}

			else

			{

		       alert("Please enter the valid email id."); 

			   document.form.email.focus();

			   return false;

			}

		}

	}
	if(document.form.message.value=='')

	{

		alert('Please Enter Message!');

		document.form.message.focus();

		return false;

	}

}