<style>
.colmask {
		position:relative;	/* This fixes the IE7 overflow hidden bug */
		clear:both;
		float:left;
		width:100%;			/* width of whole page */
		overflow:hidden;		/* This chops off any overhanging divs */
	}
	/* common column settings */
	.colright,
	.colmid,
	.colleft {
		/* float:left; */
		width:100%;
		position:relative;
	}
	.col1,
	.col2,
	.col3 {
		float:left;
		position:relative;
		padding:0 0 1em 0;
		overflow:hidden;
	}
	/* 2 Column (left menu) settings */
	.leftmenu {
		background:#fff;		/* right column background colour */
	}
	.leftmenu .colleft {
		right:75%;			/* right column width */
		background:#f4f4f4;	/* left column background colour */
	}
	.leftmenu .col1 {
		width:71%;			/* right column content width */
		left:102%;			/* 100% plus left column left padding */
	}
	.leftmenu .col2 {
		width:25%;			/* 21% left column content width (column width minus left and right padding) */
		left:4%;			/* 6% (right column left and right padding) plus (left column left padding) */
	}

</style>