td.i17{background:url(image.png) no-repeat; position: relative; left: 5px; background-position: 0 -467px; width: 24px; height: 24px; } 
td.i18{background:url(image.png) no-repeat; position: relative; left: 5px; background-position: 0 -501px; width: 24px; height: 24px; } 
td.i19{background:url(image.png) no-repeat; position: relative; left: 5px; background-position: 0 -535px; width: 24px; height: 24px; } 
td.i20{background:url(image.png) no-repeat; position: relative; left: 5px; background-position: 0 -569px; width: 24px; height: 24px; } 
td.i21{background:url(image.png) no-repeat; position: relative; left: 5px; background-position: 0 -603px; width: 24px; height: 24px; } 
td.i22{background:url(image.png) no-repeat; position: relative; left: 5px; background-position: 0 -637px; width: 24px; height: 24px; }