function ckModello(){
		for(var i=0; i<document.prix.modello.length;i++){ 
			/*if(document.prix.modello[i].checked){
				
				document.getElementById("rigaModello"+i).style.backgroundColor = "#990000";
			}else{
				document.getElementById("rigaModello"+i).style.backgroundColor = "#cccccc";
			}*/
			if(document.prix.modello[i].checked){
				return i;
			}
			 /*document.getElementById("rigaModello"+i).style.backgroundColor = "#990000";
				//var j = i
			}else{
				//document.getElementById("rigaModello"+i).style.backgroundColor = "#cccccc";
			}*/
			
		}
		
		alert("devi scegliere un modello")
	}
	
	function ckOption(){
		var j = new Array();
		var h =0;
		for(var i=0; i<document.prix.opt.length;i++){ 
			if(document.prix.opt[i].checked){
				document.getElementById("riga"+i).style.backgroundColor = "#FF9999";
				j[h]=i;
				h++;
			}else{
				document.getElementById("riga"+i).style.backgroundColor = "#cccccc";
			}
		}
		return j;
	}
	
	
/*	function ckOption(){
		var j = new Array();
		var h =0;
		for(var i=0; i<document.prix.opt.length;i++){ 
			if(document.prix.opt[i].checked){
				document.getElementById("riga"+i).style.backgroundColor = "#990000";
				j[h]=i;
				h++;
			}else{
				document.getElementById("riga"+i).style.backgroundColor = "#cccccc";
			}
		}
		return j;
	}*/