function chkEmail(email)
{
	
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i	
	if(email == "" || email == null)
	{
		return false;
	}
		
	else if(filter.test(email) == false)
	{
		return false;	
	}
	return true;
		
}
function validArtForm()
{
	
	var email = document.getElementById('emailid')
	var top = document.getElementById('topic')
	var art = document.getElementById('article')
	
	if(chkEmail(email.value) == false)
	{
		alert("Please Enter a valid Emailid");
		document.frmArticle.txtEmailid.focus();
		return false;	
	}
	
	else if(top.value=="" || top.value == null)
	{
		alert("Please Give Topic to your Article");
		document.frmArticle.txtTopic.focus();
		return false;
	}
	else if(art.value=="" || art.value == null)
	{
		alert("Please Write Your Article");
		document.frmArticle.txtArticle.focus();
		return false;
	}
	else if(art.value.length > 1500)
	{
		alert("Your Article should be 1500 characters long.");
		document.frmArticle.txtArticle.focus();
		return false;
	}
	
		return true;
}

function validContForm()
{
	var name = document.getElementById('name')
	var email = document.getElementById('emailid')
	var subject = document.getElementById('subject')
	var msg = document.getElementById('message')
	
	if(name.value =="" || name.value==null)
	{
		alert("Please enter your name");
		document.frmContact.txtName.focus();
		return false;		
	}
	
	else if(chkEmail(email.value) == false)
	{
		alert("Please Enter a valid Emailid");
		document.frmContact.txtEmailid.focus();
		return false;	
	}
	
	else if(subject.value=="" || subject.value == null)
	{
		alert("Please Enter Subject");
		document.frmContact.txtSub.focus();
		return false;
	}
	else if(msg.value=="" || msg.value == null)
	{
		alert("Please Write Your Message");
		document.frmContact.txtMsg.focus();
		return false;
	}
	else if(msg.value.length > 1500)
	{
		alert("Your Message should be 1500 characters long.");
		document.frmContact.txtMsg.focus();
		return false;
	}
	
		return true;			
}
function validTafForm()
{
	
	
	var name1 = document.getElementById('name1') // your name
	var email1 = document.getElementById('emailid1') // your emailaddress
	var name2 = document.getElementById('name2') // Friend's name
	var email2 = document.getElementById('emailid2') // friend's emailadress
	
	if (name1.value == "" || name1.value == null)
	{
		alert("Please Enter your Name");
		document.frmTAF.txtName1.focus();
		return false;
	}
	else if(chkEmail(email1.value) == false)
	{
		alert("Please Enter your valid Emailid");
		document.frmTAF.txtEmailid1.focus();
		return false;	
	}
	
	else if(name2.value=="" || name2.value == null)
	{
		alert("Please Enter your friend's name");
		document.frmTAF.txtName2.focus();
		return false;
	}
	else if(chkEmail(email2.value) == false)
	{
		alert("Please Enter your Friend's valid Emailid");
		document.frmTAF.txtEmailid2.focus();
		return false;	
	}
	
		return true;	
}

function BookmarkSite()
{
	var urlstr = "";
	urlstr = window.location.href;
			
	if (window.sidebar) // Mozilla Firefox Bookmark		
		window.sidebar.addPanel('Best Online Jewelers', urlstr,"");
	else
		window.external.AddFavorite(urlstr,'Best Online Jewelers');
}