function prefSelect( id, value ) {
	if(value == "is") {
		document.getElementById(id.substring(5)).style.display = "inline";
		document.getElementById(id.substring(5)).multiple = "";
	} else if(value == "isoneof") {
		document.getElementById(id.substring(5)).style.display = "inline";
		document.getElementById(id.substring(5)).multiple = "multiple";
	} else if(value == "none") {
		document.getElementById(id.substring(5)).style.display = "none";
		document.getElementById(id.substring(5)).value = "";
	}
	expand();
}

function prefBetweenDate( id, value ) {
	if(value == "between") {
		document.getElementById(id.substring(5)).style.display = "inline";
	} else if(value == "none") {
		document.getElementById(id.substring(5)).style.display = "none";
		document.getElementById(id.substring(5)).value = "";
	}
	expand();
}

function prefBetween( id, value ) {
	if(value == "between") {
		document.getElementById(id.substring(5)+"_start").style.display = "inline";
		document.getElementById(id.substring(5)+"_stop").style.display = "inline";
		document.getElementById(id.substring(5)+"_space").style.display = "inline";
		document.getElementById(id.substring(5)).style.display = "none";
	} else if(value == "is") {
		document.getElementById(id.substring(5)+"_start").style.display = "none";
		document.getElementById(id.substring(5)+"_stop").style.display = "none";
		document.getElementById(id.substring(5)+"_space").style.display = "none";
		document.getElementById(id.substring(5)).style.display = "inline";
	} else if(value == "none") {
		document.getElementById(id.substring(5)+"_start").style.display = "none";
		document.getElementById(id.substring(5)+"_stop").style.display = "none";
		document.getElementById(id.substring(5)+"_space").style.display = "none";
		document.getElementById(id.substring(5)).style.display = "none";
		document.getElementById(id.substring(5)+"_start").value = "";
		document.getElementById(id.substring(5)+"_stop").value = "";
		document.getElementById(id.substring(5)).value = "";
	}
	expand();
}

function prefText( id, value ) {
	if(value == "is") {
		document.getElementById(id.substring(5)).style.display = "inline";
		document.getElementById(id.substring(5)+"_like").style.display = "none";
	} else if(value == "like") {
		document.getElementById(id.substring(5)).style.display = "none";
		document.getElementById(id.substring(5)+"_like").style.display = "inline";
	} else if(value == "none") {
		document.getElementById(id.substring(5)).style.display = "none";
		document.getElementById(id.substring(5)+"_like").style.display = "none";
		document.getElementById(id.substring(5)).value = "";
		document.getElementById(id.substring(5)+"_like").value = "";
	}
	expand();
}