function TSC(f){
var I = document.images["TSC"+f];
var E = document.forms["MainForm"].elements["FieldID:"+f+"=SHORT"];
switch(parseInt(E.value)){
	case 0:	E.value=1;
			I.src="/Icons/15001";
			break;
	case 1:	E.value=2;
			I.src="/Icons/15003";
			break;
	default:	E.value=0;
			I.src="/Icons/0";
			break;
}
}