/*	function MM_openBrWindow(theURL,winName,w,h,scrollbars) 
	{ 
	  LeftPosition=(screen.width)?(screen.width-w)/2:100;
	  TopPosition=(screen.height)?(screen.height-h)/2:100;

	  settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scrollbars+',location=no,directories=no,status=0,menubar=no,toolbar=no,resizable=no';
	  URL = theURL;

	  var popup_window = window.open(theURL, winName, settings);	  	
	}
	
	*/

function showhide(tblName)
{
   var tblObj = document.getElementById(tblName); 
   tblObj.style.display = (tblObj.style.display=="none") ? "block" : "none";
}