var lastFocusControl = "";

function setLastControlFocus(txtControl)
{
	lastFocusControl = txtControl;
}

function removeLastControlFocus(txtControl)
{
	if(lastFocusControl == txtControl)
		lastFocusControl = "";
}

function submitSearch(e, btnControl, txtControl)
{
	if(txtControl != lastFocusControl)
	{
		return false;
	}
	
	if((e.keyCode && e.keyCode == 13) || (e.which && e.which == 13))
	{
		var searchbox = document.getElementById(txtControl);
		if(searchbox.value != "")
		{
			if(!e.which)
			{
				e.keyCode = 0;
			}
			
			var obj = document.getElementById(btnControl);
			obj.click();
			
		}
		else
		{
			return false;
		}
	}
}