function makeLinkActive(strLinkId, strColor)
	{
		document.getElementById(strLinkId).style.color = strColor;
		document.getElementById(strLinkId).href = "javascript:void(0)";		
	}
	
	function openNewsDetail(id)
	{
		var leftPosition = (screen.width) ? (screen.width-400)/2 : 0;
    	var topPosition = (screen.height) ? (screen.height-200)/2 : 0;
		window.open("news_detail.php?idNews=" + id, null, "left=" + leftPosition + ", top=" + topPosition + ", width=400, height=200, status=no, toolbar=no, menubar=no, location=no, scrollbars=yes")
	}
	
	function validateEmail ( emailField ) 
	{
		emailpat = /^([a-zA-Z0-9])+([\.a-zA-Z0-9_-])*@([a-zA-Z0-9])+(\.[a-zA-Z0-9_-]+)+$/;
	 	if( !emailpat.test( emailField.value ) ) 
		{
	  		alert("Adresa invalida !");
		    emailField.focus();
		    emailField.select();
		    return false;
	 	}
	 	return true;
	}	
	
	function insertEmailIntoDB()
	{
		if ( validateEmail(document.getElementById("txtUserEmail")) )
		{
			window.frames["ifrNewsletter"].document.forms[0].hdnEmail.value = document.getElementById("txtUserEmail").value
			window.frames["ifrNewsletter"].document.forms[0].submit()
			document.getElementById("txtUserEmail").value = ""
		}
	}