function reappearText(obj,value) 
{
	if (obj.value=='') { 
		obj.value=value; 
	}
}

function removeText(obj,value) 
{
	if (obj.value==value){
		obj.value='';
	}
}

function displayDropDown(dropdownId)
{
 document.getElementById(dropdownId).style.display='block';
}

function hideDropDown(dropdownId){
 document.getElementById(dropdownId).style.display='none';
}