var set1=0;
var set2=0;
var set3=0;

function toggle(img,person){	 
if (document.images[img].src.toString().match("-on")){ 
	document.images[img].src="checkbox.gif";
	document.images[img].alt="";

	img.match("set1") ? set1--:'';
	img.match("set2") ? set2--:'';
	img.match("set3") ? set3--:'';

for (i=0;i<=document.forms[0].elements.length-1;i){
	if (document.forms[0].elements[i].name.match(img.substring(0,4)) && document.forms[0].elements[i].value==img + ":" + person){ 
		document.forms[0].elements[i].value="";
		break;
		}
	}
	}else{
	if (img.match("set1") && set1==1){
		return;
		} 
	if (img.match("set2") && set2==2){
	 return;
	}

	if (img.match("set3") && set3==3){	 
	return;
	}	 

for (i=0;i<=document.forms[0].elements.length-1;i ){
	if (document.forms[0].elements[i].name.match(img.substring(0,4)) && document.forms[0].elements[i].value==""){ 
		document.forms[0].elements[i].value=img + ":" + person;
		break;
		}
	}
	
document.images[img].src="checkbox-on.gif";
document.images[img].alt=person;
img.match("set1") ? set1 :'';
img.match("set2") ? set2 :'';
img.match("set3") ? set3 :'';
}
}

function review(){ 
	for (i=0;i<=document.images.length-1;i ){
		for(f=0;f<=document.forms[0].elements.length-1;f ){ 
			fvalue=document.forms[0].elements[f].value;
			if (fvalue.match(document.images[i].name) && document.images[i].name!=""){
				document.images[i].src="checkbox-on.gif";
				document.images[i].alt=fvalue.substring(fvalue.indexOf(":")-1,fvalue.length);
				document.images[i].name.match("set1") ? set1 :'';
				document.images[i].name.match("set2") ? set2 :'';
				document.images[i].name.match("set3") ? set3 :'';
			}
		}
	}
}