function FirstCheckBox(Form, Field)
{
	var CheckSize=document.forms[Form].elements[Field].length;

	if (CheckSize>0 && document.forms[Form].elements[Field][0].checked)
	{
		for (xxx=1; xxx<CheckSize; xxx++)
		{
			document.forms[Form].elements[Field][xxx].checked=false;
		}
	}
}

//**********

function OtherCheckBox(Form, Field)
{
	if (document.forms[Form].elements[Field][0].checked)
	{
		document.forms[Form].elements[Field][0].checked=false;
	}
}

//**********

function FirstDropDown(Form, Field)
{

	var SelectSize=document.forms[Form].elements[Field].length;

	if (SelectSize>0 && document.forms[Form].elements[Field][0].selected)
	{
		for (xxx=1; xxx<SelectSize; xxx++)
		{
			document.forms[Form].elements[Field][xxx].selected=false;
		}
	}
}

//**********

function OtherDropDown(Form, Field)
{

	if (document.forms[Form].elements[Field][0].selected)
	{
		document.forms[Form].elements[Field][0].selected=false;
	}
}

//**********