function focusBlur(obj, type, text) {
	if( type == 1) {
		if( obj.value == text )
			obj.value = '';
	}
	else {
		if( obj.value == '' )
			obj.value = text;
	}
}

function changeStyle(obj,style1,style2) {
	if( obj.className == style1 )
		obj.className = style2;
	else
		obj.className = style1;
}