JS: Multi-array intersect

intersect.js

/*
** intersect.js
** intersect multiple arrays
** Usage:
var arr1 = ['hey', 'you', 'guys', 'test', 'there'];
var arr2 = ['there', 'you'];
var arr3 = ['some', 'there', 'you', 'thrice', 'hey', 'huzzah'];
intersect(arr1, arr2, arr3);
*/
function intersect() {
    if(arguments.length == 1) {
        return arguments[0];
    }
    var temp = [];
    var smallest = arguments[0];
    var exclude = 0;
    
    for(var i=0; i<arguments.length; i++) {
        if(arguments[i].length < smallest.length) {
            smallest = arguments[i];
            exclude = i;
        }
    }
    
    for(var i=0; i<smallest.length; i++) {
        var found = true;
        for(var n=0; n<arguments.length; n++) {
            if(n != exclude) {
                if(arguments[n].indexOf(smallest[i]) == -1) {
                    found = false
                }
            }
        }
        if(found) {
            temp.push(smallest[i]);
        }
    }
    
    return temp;
}