#fuelsim {height:490px; width:500px; position: relative; left: 25px; top:0px;}

#gastab {overflow: hidden; position: absolute; left: 0px; top: 0px; width: 125px; height:50px;}
#gastab a {display:block; width: 125px; height: 50px; background-image: url(../fuelsim/images/tabs.jpg); background-position: 0 0;}
#gastab a:hover {background-position: 0 -50px;}

#gastab_on {overflow: hidden; position: absolute; left: 0px; top: 0px; width: 125px; height:50px; display:block; background-image: url(../fuelsim/images/tabs.jpg); background-position: 0 -100px;}

#electab {overflow: hidden; position: absolute; left: 125px; top: 0px; width: 125px; height:50px;}
#electab a {display:block; width: 125px; height: 50px; background-image: url(../fuelsim/images/tabs.jpg); background-position: -125px 0;}
#electab a:hover {background-position: -125px -50px;}

#electab_on {overflow: hidden; position: absolute; left: 125px; top: 0px; width: 125px; height:50px; display:block; background-image: url(../fuelsim/images/tabs.jpg); background-position: -125px -100px;}

#hybridtab {overflow: hidden; position: absolute; left: 250px; top: 0px; width: 125px; height:50px;}
#hybridtab a {display:block; width: 125px; height: 50px; background-image: url(../fuelsim/images/tabs.jpg); background-position: -250px 0;}
#hybridtab a:hover {background-position: -250px -50px;}

#hybridtab_on {overflow: hidden; position: absolute; left: 250px; top: 0px; width: 125px; height:50px; display:block; background-image: url(../fuelsim/images/tabs.jpg); background-position: -250px -100px;}

#biotab {overflow: hidden; position: absolute; left: 375px; top: 0px; width: 125px; height:50px;}
#biotab a {display:block; width: 125px; height: 50px; background-image: url(../fuelsim/images/tabs.jpg); background-position: -375px 0;}
#biotab a:hover {background-position: -375px -50px;}

#biotab_on {overflow: hidden; position: absolute; left: 375px; top: 0px; width: 125px; height:50px; display:block; background-image: url(../fuelsim/images/tabs.jpg); background-position: -375px -100px;}

#gasbg {width:500px; height:460px; background-image: url(../fuelsim/images/gas_table_bg.jpg); background-repeat: no-repeat; position: absolute; left: 0px;	top: 50px;}
#elecbg {width:500px; height:460px; background-image: url(../fuelsim/images/elec_table_bg.jpg); background-repeat: no-repeat; position: absolute; left: 0px;	top: 50px;}
#hybridbg {width:500px; height:460px; background-image: url(../fuelsim/images/hybrid_table_bg.jpg); background-repeat: no-repeat; position: absolute; left: 0px; top: 50px;}
#biobg {width:500px; height:460px; background-image: url(../fuelsim/images/bio_table_bg.jpg); background-repeat: no-repeat; position: absolute; left: 0px; top: 50px;}


#information {width:280px; height: 300px; position: absolute; left: 201px; top: 35px;}
#facts {
	width:160px;
	height: 150px;
	position: absolute;
	left: 15px;
	top: 200px;
	text-align: center;
}

#field1 {
	width:125px;
	height: 25px;
	position: absolute;
	left: 0px;
	top: 400px;
	text-align: center;
}
#field2 {
	width:125px;
	height: 25px;
	position: absolute;
	left: 125px;
	top: 400px;
	text-align: center;
}
#field3 {
	width:125px;
	height: 25px;
	position: absolute;
	left: 250px;
	top: 400px;
	text-align: center;
}
#field4 {
	width:125px;
	height: 25px;
	position: absolute;
	left: 375px;
	top: 400px;
	text-align: center;
}

#calc_button {width:280px; height: 20px; position: absolute; left: 110px; top: 440px;}