function validation ()
{
	if(document.frmMedicalExpert.txtName.value == "")
	{
		alert("Please enter your name");
		document.frmMedicalExpert.txtName.focus();
		return false;
	}
	if(document.frmMedicalExpert.txtPosition.value == "")
	{
		alert("Please enter current position");
		document.frmMedicalExpert.txtPosition.focus();
		return false;
	}
	if(document.frmMedicalExpert.txtQualifications.value == "")
	{
		alert("Please enter qualifications");
		document.frmMedicalExpert.txtQualifications.focus();
		return false;
	}
	if(document.frmMedicalExpert.txtSpInterest.value == "")
	{
		alert("Please enter area of special interest");
		document.frmMedicalExpert.txtSpInterest.focus();
		return false;
	}
	if(document.frmMedicalExpert.txtAddress.value == "")
	{
		alert("Please enter contact address");
		document.frmMedicalExpert.txtAddress.focus();
		return false;
	}
/*	if(document.frmMedicalExpert.txtZip.value == "")
	{
		alert("Please enter zip");
		document.frmMedicalExpert.txtZip.focus();
		return false;
	}
	else if (isNaN(document.frmMedicalExpert.txtZip.value))
	{
		alert("Please enter valid zip,zip code should be numeric");
		document.frmMedicalExpert.txtZip.focus();
		return false;
	}	*/

	if((document.frmMedicalExpert.txtEmail.value == "") || (document.frmMedicalExpert.txtEmail.value == "enter email id here"))
	{
		alert("Please enter email address");		
		document.frmMedicalExpert.txtEmail.focus();	
		return false;
	}
	else
	{
		if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.frmMedicalExpert.txtEmail.value))
		{
			
		}
		else
		{
			alert("Enter valid email address")
			document.frmMedicalExpert.txtEmail.focus();	
			return (false);
		}
	}	
	
}