#products {position:relative; width:608px; height:385px;}
#products h3 {margin:0; position:absolute;}
#products h3, #products h3 a {background-repeat:no-repeat; background-position:0px 0px; background-color:#fff;}
#products h3 a {display:block;}
#products h3 a span {display:none;}

#products h3.blimpsInflatables {top:0px; left:0px;}
#products h3.regulators {top:0px; left:218px;}
#products h3.balloonTime {top:160px; left:0px;}
#products h3.liquidHelium {top:226px; left:218px;}
#products h3.cylinderXLarge {top:0px; left:358px;}
#products h3.cylinderLarge {top:160px; left:450px;}
#products h3.cylinderMedium {top:226px; left:519px;}
#products h3.cylinderSmall {top:301px; left:573px;}

#products h3.blimpsInflatables, #products h3.blimpsInflatables a {width:218px; height:160px; background-image:url(helium-products_r1_c1.png);}
#products h3.regulators, #products h3.regulators a {width:140px; height:160px; background-image:url(helium-products_r1_c2.png);}
#products h3.balloonTime, #products h3.balloonTime a {width:218px; height:225px; background-image:url(helium-products_r2_c1.png);}
#products h3.liquidHelium, #products h3.liquidHelium a {width:140px; height:159px; background-image:url(helium-products_r3_c2.png);}
#products h3.cylinderXLarge, #products h3.cylinderXLarge a {width:92px; height:385px; background-image:url(helium-products_r1_c3.png);}
#products h3.cylinderLarge, #products h3.cylinderLarge a {width:69px; height:225px; background-image:url(helium-products_r2_c4.png);}
#products h3.cylinderMedium, #products h3.cylinderMedium a {width:54px; height:159px; background-image:url(helium-products_r3_c5.png);}
#products h3.cylinderSmall, #products h3.cylinderSmall a {width:35px; height:84px; background-image:url(helium-products_r4_c6.png);}

#products h3.blimpsInflatables a:hover {background-image:url(helium-products_r1_c1_ov.png);}
#products h3.regulators a:hover {background-image:url(helium-products_r1_c2_ov.png);}
#products h3.balloonTime a:hover {background-image:url(helium-products_r2_c1_ov.png);}
#products h3.liquidHelium a:hover {background-image:url(helium-products_r3_c2_ov.png);}
#products h3.cylinderXLarge a:hover {background-image:url(helium-products_r1_c3_ov.png);}
#products h3.cylinderLarge a:hover {background-image:url(helium-products_r2_c4_ov.png);}
#products h3.cylinderMedium a:hover {background-image:url(helium-products_r3_c5_ov.png);}
#products h3.cylinderSmall a:hover {background-image:url(helium-products_r4_c6_ov.png);}