// JavaScript Document <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
function center_form(id)
{
	  var scheight = screen.height;
	  var tblheight = $("#" + id).height();
	  var browers = (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body;
	  var D_height = (scheight - tblheight);
	  if(D_height > 0)
	  {
		  D_height /= 2;
	  }
	  else if(D_height < 0)
	  {
		  D_height *= -1;
		  D_height /= 2;
	  }
	  var tops = browers.scrollTop + D_height /2 + 'px';
	  $("#"+id).css('top',tops);
	  $("#"+id).css("left",(($(document).width())/2-(parseInt($("#"+ id).width())/2))+"px");
	   $("#"+id).show();
}
function gamestart()
{
 if($.browser.msie) {
		center_form('win');
 }else{
   alert('封测期间，请使用ie浏览器！');
 }

}