function matriz(){return new matriz2();}function matriz2(){args = matriz2.caller.arguments; l = args.length; m = parseInt(l/2); p = new Array(); v = new Array();for(i=0;i<l;i++){if(i<m){p[i]=args[i];}else{j=(i-m);v[j] = args[i];}}for(i=0;i<m;i++){this[p[i]] = v[i];}}