function checkAll(checkboxgroup)
{
	checks=document.getElementsByName(checkboxgroup);
	if (checks)
	{
		i=0;
		while (i<checks.length)
		{
		    checks[i++].checked=true;
		} 
	}
}

function uncheckAll(checkboxgroup)
{
	checks=document.getElementsByName(checkboxgroup);
	if (checks)
	{
		i=0;
		while (i<checks.length)
		{
		    checks[i++].checked=false;
		} 
	}
}


function toggleAll(checkboxgroup)
{
	checks=document.getElementsByName(checkboxgroup);
	if (checks)
	{
		i=0;
		while (i<checks.length)
		{
		    checks[i].checked=!checks[i].checked;
		    i++;
		} 
	}
}


function clearText(element)
{
    element.value="";
}


function clearInitText(element)
{
    if (! element.cleared)
    {
	clearText(element)
	element.cleared=true;
    }
}