.share_bg{ width: 31px; height: 26px; background: url("../images/share_bg.jpg") no-repeat center; display: inline-block; _zoom:1; _display: inline; }
.discuss_bg{width: 32px;height: 26px;background: url("../images/discuss.jpg") center no-repeat;display: inline-block;_zoom:1;_display: inline;}
.favorites_bg{width: 28px;height: 27px;background: url("../images/favorites_bg.jpg") center no-repeat;display: inline-block;_zoom:1;_display: inline;}
.print_bg{width: 30px;height: 27px;background: url("../images/print_bg.jpg") center no-repeat;display: inline-block;_zoom:1;_display: inline;}
.font_magnify{width: 28px;height: 27px;background: url("../images/font_magnify.jpg") center no-repeat;display: inline-block;_zoom:1;_display: inline;}
.font_narrow{width: 30px;height: 26px;background: url("../images/font_narrow.jpg") center no-repeat;display: inline-block;_zoom:1;_display: inline;}

.left { float: left; }
.right { float: right; }
.k300 { width: 300px; margin-top: 30px; }
.pointer{cursor: pointer;}

.mrg_l_30{ margin-left:30px;}
.txttop{vertical-align: top;}
.txtmiddle{vertical-align: middle;}
.txtbottom{vertical-align: bottom;}