function in_array(needle, haystack, strict) {
	var found = false, key, strict = !!strict;
	for (key in haystack) {
		if ((strict && haystack[key] === needle) || (!strict && haystack[key] == needle)) {
			found = true;
			break;
		}
	}
	return found;  
} 

function array_search( needle, haystack, strict ) {
    var strict = !!strict;
    for(var key in haystack){
        if( (strict && haystack[key] === needle) || (!strict && haystack[key] == needle) ){
            return key;
        }
    }
    return false;
}