function ShowAndHideAdvs(hide)
{
	hide = "none";
	var objectLeft = document.getElementById("leftADV");
	var objectRight = document.getElementById("rightADV");
	objectLeft.style.display = hide;				
	objectRight.style.display = hide;	
	var objectLeftTop = document.getElementById("leftTopADV");
	var objectRightTop = document.getElementById("rightTopADV");
	objectLeftTop.style.display = hide;				
	objectRightTop.style.display = hide; 
}
function ChangeColor(obj, type)
{
	if (type == '1')
		obj.bgColor = "#ff7c00";
	else
		obj.bgColor = "#ee5181";
} 
function ChangeBottomColor(obj, type)
{
	if (type == '1')
		obj.bgColor = "red";
	else
		obj.bgColor = "#ee5181";
} 
function isEmail(s)
{ 
 /*  
  if (s=="") return false;
  if(s.indexOf(" ")>0) return false;
  if(s.indexOf("@")==-1) return false;
  var i = 1;
  var sLength = s.length;
  if (s.indexOf(".")==-1) return false;
  if (s.indexOf("..")!=-1) return false;
  if (s.indexOf("@")!=s.lastIndexOf("@")) return false;
  if (s.lastIndexOf(".")==s.length-1) return false;
  var str="0123456789abcdefghikjlmnopqrstuvwxyz-@._"; 
  for(var j=0;j<s.length;j++)
	if(str.indexOf(s.charAt(j))==-1)
		return false;
   */

   var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
   return  filter.test(s);
}

function isEmpty(s)
{   
	return ((s == null) || (s.length == 0))
}

function isWhitespace (s)
{   
	var whitespace = " \t\n\r";
	var i;

  if (isEmpty(s)) return true;
  for (i = 0; i < s.length; i++)
  {   
    var c = s.charAt(i);
    if (whitespace.indexOf(c) == -1) return false;
  }
  return true;
}