function fnChange()
{
	objCategoryDropDownList		=	document.getElementById("CategoryDropDownList");
	var _ImageCategory			=	objCategoryDropDownList.value;

	Images.FillCombo(_ImageCategory	);	
} 

function eventHandler(type)
{
	if (type == "PASS")
	{   
		if (event.keyCode == 32)					
		{
			event.keyCode = 0; 
			return;
		}	
	}	
	
	if (type == "NUMBER")
	{   
		if (event.keyCode >= 48 && event.keyCode <= 57)
		{// valid input char
			return;
		}
		else
		{// invalid character
			event.keyCode = 0; 
			return;
		}	
	}
	
	if (type == "DECIMAL")
	{   
		if ((event.keyCode == 46) || (event.keyCode >= 48 && event.keyCode <= 57))
		{// valid input char
			return;
		}
		else
		{// invalid character
			event.keyCode = 0; 
			return;
		}	
	}		
	
	if (type=="NAME")			
	{			
		if ((event.keyCode == 32) || (event.keyCode == 45) || (event.keyCode == 46) 
			|| (event.keyCode >= 97 && event.keyCode <= 122)
			||(event.keyCode >= 65 && event.keyCode <= 90))
		{
			return;			
		}
		else
		{
			event.keyCode = 0;  //Invalid Character.
		}
	}
	if (type=="TITLE")			
	{			
		if ((event.keyCode == 32) || (event.keyCode == 45) || (event.keyCode == 46) || (event.keyCode == 95)
			|| (event.keyCode >= 48 && event.keyCode <= 57)
			|| (event.keyCode >= 97 && event.keyCode <= 122)
			|| (event.keyCode >= 65 && event.keyCode <= 90))
		{
			return;			
		}
		else
		{
			event.keyCode = 0;  //Invalid Character.
		}
	}
}

var isNS = (navigator.appName == "Netscape") ? 1 : 0;
var EnableRightClick = 0;
if(isNS) 
document.captureEvents(Event.MOUSEDOWN||Event.MOUSEUP);
function mischandler(){
  if(EnableRightClick==1){ return true; }
  else {return false; }
}
function mousehandler(e){
  if(EnableRightClick==1){ return true; }
  var myevent = (isNS) ? e : event;
  var eventbutton = (isNS) ? myevent.which : myevent.button;
  if((eventbutton==2)||(eventbutton==3)) return false;
}
function keyhandler(e) {
  var myevent = (isNS) ? e : window.event;
  if (myevent.keyCode==96)
    EnableRightClick = 1;
  return;
}
document.oncontextmenu = mischandler;
document.onkeypress = keyhandler;
document.onmousedown = mousehandler;
document.onmouseup = mousehandler;