function tellafriend() { 
	if(document.tellafriend_form.yname.value=="")
	{
		alert("Please enter your name");
		document.tellafriend_form.yname.focus();
	}
	else if(document.tellafriend_form.yemail.value=="")
	{
		alert("Please enter your email");
		document.tellafriend_form.yemail.focus();
	}
	else if(document.tellafriend_form.fname.value=="")
	{
		alert("Please enter your friend name");
		document.tellafriend_form.fname.focus();
	}
	else if(document.tellafriend_form.femail.value=="")
	{
		alert("Please enter your friend email");
		document.tellafriend_form.femail.focus();
	}
	document.getElementById("buttonSend").style.visibility='hidden';
}

function checkURL() { 
	if(document.websiteURL_form.sitename.value=="")
	{
		alert('Please enter website Name');
		document.websiteURL_form.sitename.focus(); return false;
	}
	if(document.websiteURL_form.siteurl.value=="")
	{
		alert('Please enter website URL');
		document.websiteURL_form.siteurl.focus(); return false;
	}
	var reg = /^(http|https):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(([0-9]{1,5})?\/.*)?$/;
	if(reg.test(document.websiteURL_form.siteurl.value) == false) 
	{
		alert('Invalid URL.');
		document.websiteURL_form.siteurl.focus(); return false;
	}
	return true;
}

function checkmanageURL() { 
	if(document.manageURL_form.passw.value=="")
	{
		alert('Please enter password');
		document.manageURL_form.passw.focus(); return false;
	}
	return true;
}

function contactus() {
	if(document.contactus_form.name.value=='') { alert("Please enter your Name."); document.contactus_form.name.focus(); return false; }			
	if(document.contactus_form.email.value=='') { alert("Please enter your Email."); document.contactus_form.email.focus(); return false; }			
	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	if(reg.test(document.contactus_form.email.value) == false) 
	{alert('Invalid Email Address'); document.contactus_form.email.focus(); return false; }
	if(document.contactus_form.subject.value=='') 
	{ alert("Please enter Subject of email."); document.contactus_form.subject.focus(); return false; }			
	if(document.contactus_form.message.value=='') 
	{ alert("Please enter Message."); document.contactus_form.message.focus(); return false; }
	document.getElementById("buttonReset").style.visibility='hidden';
	document.getElementById("buttonSend").style.visibility='hidden';
}