function clearText(thefield){
    thefield.value = "";
    clearCheckboxes();
}

function singleSelectCheckbox(checkbox) {
    var aGroup = checkbox.parentNode;
    var allInputs = aGroup.getElementsByTagName("input");
    for (var i = 0; i < allInputs.length; i++) {
	if (allInputs[i] == checkbox) {
	    continue;
	} else {
	    allInputs[i].checked = false;
	}
    }
    document.input.submit();
}


function clearCheckboxes(){
    for (i=0;i<document.input.elements.length;i++)
    {
	if (document.input.elements[i].name == 'autofill')
	{
	    document.input.elements[i].checked = false;
	}
    }
}