#imageContainer {
	position:relative;
	margin-top:18px;
	margin-left:30px;
	/*width:375px;*/
	float:left;

}

#imageContainer img {
	display:none;
	position:absolute;
	top:0; left:0; 
	margin:auto;
}

.imageContainer_small{
	width:320px;
}

.imageContainer_big{
	width:520px;
}