<!--
//---------------------------------------------------
function IsDigit(sValue) {
     var sDigits = '0123456789';
     var i;
     var sw = false;
     var k = 0;
     for (i = 0; i<=(sValue.value.length-1); i++) {
       if (sDigits.indexOf(sValue.value.charAt(i),0)==-1) { k = 1; break;}
     }
     if (k==1) { sw = false } else { sw = true }
     if (!sw) {
       alert("Введите положительное численное значение");
       sValue.focus();
     }
     return (sw);
}
//---------------------------------------------------
function CheckEmail(email)
{
  var INVALID_CHARS = new Array("'", "?", "<", ">", "\"");
  if (email.value!="")
  {
    if (email.value.indexOf('.')<0  || email.value.indexOf('@')<0)
    {
      alert("Введен некорректный электронный адрес.");
      email.focus();
      return false;
    }
    for (var c in INVALID_CHARS)
    {
      if (email.value.indexOf(INVALID_CHARS[c])>=0)
      {
        alert("Электронный адрес не должен содержать символ "+INVALID_CHARS[c]);
        email.focus();
        return false;
      }
    }  
  }
  return true;
}
//---------------------------------------------------
function submitonce(form) {
	//if IE 4+ or NS 6+
	if (document.all||document.getElementById) {
		//screen thru every element in the form, and hunt down "submit" and "reset"
		for (i=0;i<form.length;i++) {
			var tempobj=form.elements[i];
			if (tempobj.type.toLowerCase()=="submit"||tempobj.type.toLowerCase()=="reset")
				//disable em
				tempobj.disabled=true
		}
	}
}
//---------------------------------------------------
function CheckRequired(element, message) {	
	var ps1;
		 
	eValue = element.value;
	if (eValue.length == 0) {
		if (message.length == 0) message = "Введите значение поля";
		alert(message);
		element.focus();
		return false;
	} else {
		return true;
	}
}
//---------------------------------------------------
function openWindow(sPage, width, height) {
	var imgX=(window.screen.width-width)/2;
	var imgY=(window.screen.height-height)/2;

	var sFeatures= "top=5000, left=5000, width="+width+", height="+height+", "
		+ "toolbar=no, menubar=no, location=no, directories=no, resizable=no, scrollbars=no";
	var newWindow = window.open(sPage, "popup", sFeatures, true);
	
	newWindow.blur();
	newWindow.moveTo(imgX, imgY);
	newWindow.focus();
}
//---------------------------------------------------
function openWindowScroll(sPage, width, height) {
	var imgX=(window.screen.width-width)/2;
	var imgY=(window.screen.height-height)/2;

	var sFeatures= "top=5000, left=5000, width="+width+", height="+height+", "
		+ "toolbar=no, menubar=no, location=no, directories=no, resizable=no, scrollbars=yes";
	var newWindow = window.open(sPage, "example", sFeatures, true);
	
	newWindow.blur();
	newWindow.moveTo(imgX, imgY);
	newWindow.focus();
}
//-->