function placehold()
{
	if(document.getElementById("textbox").value == "")
	{
		document.getElementById("textbox").style.color = "#888";
		document.getElementById("textbox").value = "enter your twitter username here";
	}
}

function placedrop()
{
	if(document.getElementById("textbox").value == "enter your twitter username here")
	{
		document.getElementById("textbox").value = "";
		document.getElementById("textbox").style.color = "#000";
	}
}

function selectOnChange()
{
	var u = document.getElementById("textbox").value;
	if(u != "enter your twitter username here")
	{
		var w = document.frm.since.selectedIndex;
  		var f = document.frm.since.options[w].value;
		document.location.href = "/index.php?username=" + u + "&since=" + f;
	}
}