//client side js
function clickButton(e, buttonid){ 
      var bt = document.getElementById(buttonid); 
      if (typeof bt == 'object')
      { 
        if(navigator.appName.indexOf("Netscape")>(-1))
        { 
                if (e.keyCode == 13)
                { 
                    bt.click(); 
                    return false; 
                } 
        } 
        if (navigator.appName.indexOf("Microsoft Internet Explorer")>(-1))
        { 
                if (event.keyCode == 13)
                { 
                    bt.click(); 
                    return false; 
                } 
        } 
      }
}

function clickAction(e, action)
{
    if (navigator.appName.indexOf("Microsoft Internet Explorer")>(-1))
    { 
		e = event;
	}
	
    if (e.keyCode == 13)
    { 
		return action();
    } 
}