function document.onkeydown()
		{
			var keycode = event.keyCode;
			//var str=document.activeElement.id;
			var realkey = String.fromCharCode(event.keyCode);
			if((keycode>47 && keycode <58) || keycode ==8 || keycode ==13 || (keycode<106 && keycode >95) )
			{
				window.event.returnValue=true;
			}
			else
			{
				window.event.returnValue=false;
			}
	}
function gop(filename,first_lm,second_lm)
	{
		//alert(filename1);
		//alert(stime1);
		//alert(first_lm1);
		var page = document.all.item("pp").value;
		var url = filename+"?" + "page=" + page + "&first_lm=" + first_lm + "&second_lm=" + second_lm;
		//alert(url);
		if(page != '')
			window.open(url,"_self");
	}