/* #content = 764px */

/* width = (#content - 20) / 1  */
.col1 {
	float: left;
	width: 744px;
	margin-left: 10px;
	position: relative;
	overflow: visible;
	visibility: visible;
}

/* width = (#content - 30) / 2  */
.col2 {
	float: left;
	width: 367px;
	margin-left: 10px;
	position: relative;
}

/* width = (#content - 40) / 3  */
.col3 {
	float: left;
	width: 239px;
	margin-left: 10px;
	position: relative;
}

/* width = (#content - 50) / 4  */
.col4 {
	float: left;
	width: 178px;
	margin-left: 10px;
	position: relative;
}