function chkLogin(){
	if (document.frmLogin.txtUserId.value ==""){
		alert("Please enter user id");
		document.frmLogin.txtUserId.focus();
		return false;
	}
	if (document.frmLogin.txtPassword.value ==""){
		alert("Please enter password");
		document.frmLogin.txtPassword.focus();
		return false;
	}
	return true;
}

function checkMail(sInput){
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (filter.test(sInput)) 
		return true;
	else 
		return false;
}

function deleteAdmin(){
	if (confirm('Are you sure you want to delete?')) {
		document.frm.txtAction.value = "Delete";
		document.frm.submit();
		return true;
	}
}

function chkWork(){
	if (document.frm.txtTitle.value == ""){
		alert("Please enter title");
		document.frm.txtTitle.focus();
		return false;
	}
	return true;
}

function chkWorkCat(){
	if (document.frm.txtName.value == ""){
		alert("Please enter category");
		document.frm.txtName.focus();
		return false;
	}
	return true;
}

function chkTestimonial(){
	if (document.frm.txtContent.value == ""){
		alert("Please enter content");
		document.frm.txtContent.focus();
		return false;
	}
	if (document.frm.txtName.value == ""){
		alert("Please enter name");
		document.frm.txtName.focus();
		return false;
	}
	return true;
}

function MM_openBrWindow(theURL,winName,features) {
  window.open(theURL,winName,features);
}

function chkMailing(){
	if (document.frm.txtEmail.value == ""){
		alert("Please enter email address");
		document.frm.txtEmail.focus();
		return false;
	}	
	if (!checkMail(document.frm.txtEmail.value)){
		alert("Invalid email address");
		document.frm.txtEmail.focus();
		return false;
	}
	return true;	
}

function chkEnquiry(){
	if (document.frm.txtName.value == ""){
		alert("Please enter name");
		document.frm.txtName.focus();
		return false;
	}	
	if (document.frm.txtEmail.value == ""){
		alert("Please enter email address");
		document.frm.txtEmail.focus();
		return false;
	}	
	if (!checkMail(document.frm.txtEmail.value)){
		alert("Invalid email address");
		document.frm.txtEmail.focus();
		return false;
	}
	if (document.frm.txtTel.value == ""){
		alert("Please enter telephone");
		document.frm.txtTel.focus();
		return false;
	}	
	if (document.frm.txtPub.value == ""){
		alert("Please enter publication");
		document.frm.txtPub.focus();
		return false;
	}	
	if (document.frm.txtComment.value == ""){
		alert("Please enter comment");
		document.frm.txtComment.focus();
		return false;
	}	
	return true;	
}