function submitenter(myfield,e)
{
      var keycode;
      if (window.event) keycode = window.event.keyCode;
      else if (e) keycode = e.which;
      else return true;
      
     if(navigator.appName.indexOf("Microsoft Internet Explorer")>(-1) && window.event.keyCode == 13)
    {
    
    
     if (myfield.name.contains('TextBox1')) {
     alert("global");
          document.getElementById('<%= ImageButton2.ClientID %>').click(); 
    }
    
     if (myfield.name.contains('site')) {
     alert("site");
          document.getElementById('<%= ImageButton4.ClientID %>').click(); 
    }
     if (myfield.name.contains('filterqry')) {
     alert("filter");
          document.getElementById('<%= Button1_Click %>').click(); 
    }
    }
    
    
    
}


function testForEnter() 
{    
	if (event.keyCode == 13) 
	{        
		event.cancelBubble = true;
		event.returnValue = false;
         }
}