function checkInputIn(which_form, which_input, should_be)
{
var a = eval("document.forms."+which_form+"."+which_input+".value");
if (a == should_be)
	{
	eval("document.forms."+which_form+"."+which_input+".value = '';");
	}
}

function checkInputOut(which_form, which_input, should_be)
{
var a = eval("document.forms."+which_form+"."+which_input+".value");
if (a == "")
	{
	eval("document.forms."+which_form+"."+which_input+".value = '"+should_be+"';");
	}
}