//open popup-window
function newWindow(mypage,myname,w,h,features) {
  var winl = (screen.width-w)/2;
  var wint = (screen.height-h)/2;
  if (winl < 0) winl = 0;
  if (wint < 0) wint = 0;
  winl = 0; wint = 0;
  var settings = 'height=' + h + ',';
  settings += 'width=' + w + ',';
  settings += 'top=' + wint + ',';
  settings += 'left=' + winl + ',';
  settings += features;
  win = window.open(mypage,myname,settings);
  win.focus();
}

massive_length=2;
colors_= new Array(massive_length);
colors_[0] = "#FFFFFF";
colors_[1] = "#FF0000";
var next_ = 0;
function Changehead()
{
      headcolor= colors_[next_];
      if (document.getElementById("head1"))
      {
        document.getElementById("head1").style.color=headcolor;/*присваеваешь этот цвет элементу в документе*/
        next_++;
        if(next_>massive_length-1) next_=0;
        window.setTimeout("Changehead()",1000); 
      }  
}

function toPost(getString) 
{
	var parms = getString.split('?'); 
	var newF = document.createElement("form"); 
	newF.action = parms[0]; 
	newF.method = 'POST'; 
	var parms = parms[1].split('&'); 
	for (var i=0; i<parms.length; i++) 
	{
		var pos = parms[i].indexOf('='); 
		if (pos > 0) 
	    {
		  var key = parms[i].substring(0,pos); 
		  var val = parms[i].substring(pos+1);   
	      var newH = document.createElement("input"); 
		  newH.name = key; 
		  newH.type = 'hidden'; 
		  newH.value = val; newF.appendChild(newH);
	   }
  } 
  document.getElementsByTagName('body')[0].appendChild(newF); 
  newF.submit();
}

function filter(evt) 
{
       var keyCode = evt.which ? evt.which : evt.keyCode;
       
	   return ((keyCode >= '0'.charCodeAt() && keyCode <= '9'.charCodeAt()) || keyCode == 8  || keyCode == 9 || keyCode == 16 || keyCode == 35 || keyCode == 36 || keyCode == 37 || keyCode == 39 || keyCode == 46 || keyCode == 13);
}