.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%;				/* width of page */
		position:relative;
	}
	.col1,
	.col2,
	.col3 {
		float:left;
		position:relative;
		padding:0 0 1em 0;	/* no left and right padding on columns, we just make them narrower instead 
								only padding top and bottom is included here, make it whatever value you need */
		overflow:hidden;
	}
	/* 3 Column settings */
	.threecol
{
    background: #CC0000; /* right column background colour */
}
	.threecol .colmid {
		right:25%;				/* width of the right column */
		background:#fff;		/* center column background colour */
	}
	.threecol .colleft {
		right:50%;				/* width of the middle column */
		background:#f4f4f4;		/* left column background colour */
	}
	.threecol .col1 {
		width:46%;				/* width of center column content (column width minus padding on either side) */
		left:102%;				/* 100% plus left padding of center column */
	}
	.threecol .col2 {
		width:21%;				/* Width of left column content (column width minus padding on either side) */
		left:31%;				/* width of (right column) plus (center column left and right padding) plus (left column left padding) */
	}
	.threecol .col3 {
		width:21%;				/* Width of right column content (column width minus padding on either side) */
		left:85%;
		}