var pics; pics = new Array();
var n = 10;
for(i=0;i<n;i++)pics[i] = new Image();

function run(form){
if(form.newwindow.checked==true)
	open('http://www.streetracing.by/forum/viewforum.php?f=27');
}


function check(input,list) {
  var ok = true;

  for (var i = 0; i < input.length; i++) {
  	
    var chr = input.charAt(i);
    var found = false;
    for (var j = 0; j < list.length; j++) {
      var chr2=list.charAt(j);
      if (chr == chr2) found = true;
    }
    if (!found) ok = false;
  }
  return ok;
}


function is_digit(input) {
  if (!check(input, "1234567890 -+")) {
  	alert("Ââîäèòå òîëüêî öèôðû!"); 
  	return false;  
  }
  if(check(input, " ")){
  	alert("Ïóñòîå ïîëå!"); 
  	return false;
  }
  	return true;
}


function is_empty(input) {
  if(check(input, " ")){
  	alert("Ïóñòîå ïîëå!"); 
  	return false;
  }
  	return true;
}