function clearinput(f){ 
if(f.value=='Email')f.value=""; 
} 

function ClearValue(field, strCheck)
	{
		if(field.value == strCheck)
		field.value = "";				
	}
function Repopulate(field, strCheck)
	{
		if(field.value == "")
		field.value = strCheck;
	}