function updFindForm() {
		var f=document.caseFinderForm;
		
		var obj,val,dtxt='',hdm=false, rtxt='ty';
		
		for(var i=1; i<=3; i++) {
			obj = f['find_dim'+i];
			var num = parseInt(obj.value);
			if(isNaN(num)) { num=0; }
			if(num>0) { hdm=true; }
			dtxt += (i==1? '':'x')+num;
		}
		
		val = f['dm'];
		if(hdm) {
			val.value = dtxt;
			rtxt+='dm';
		} else {
			val.value = '';
		}
		
		
		val = f['f2'];
		if(val.checked) { rtxt+='f2'; }
		val = f['f3'];
		if(val.checked) { rtxt+='f3'; }
		
		val = f['rf'];
		val.value = rtxt;
	}