.grid{
	display:block;
	border-collapse:collapse;
}

.grid_left{
	width:450px;
	border-collapse:collapse;
}

.grid_right{
	width:190px;
	border-collapse:collapse;
}

.tab_container .grid_left{
	width:auto;
}

.tab_container .grid_right{
	width:auto;
}

.grid_fiftyfitfty{
	display:block;
	border-collapse:collapse;
}

.grid_fiftyfitfty .grid_left{
	width: 320px;
	border-collapse:collapse;
}

.grid_fiftyfitfty .grid_right{
	width: 320px;
	border-collapse:collapse;
}