Не работает увеличение картинок

html{padding:0px;margin:0px;height:100%;}

body{
    padding:0px;
    margin:0px;
    height:100%;
    background-image:url('../images/fon_page.png');
    background-position:top;
}

img{border:0px;}

#container{width:1000px;margin:0 auto;}

.head{
    height:397px;
    background-image:url('../images/top_fon.jpg');
    background-position:center top;
    background-repeat:no-repeat;
    text-align:left;
}

#logo{margin-left:170px;margin-top:19px;}

.topmenu{
    margin-top:32px;
    position:absolute;
    margin-left:291px;
}

.topmenu a{margin-right:23px;display:block;float:left;}

#stroitelstvo{
    position:absolute;
    margin-left:719px;
    margin-top:102px;
}

#remont{
    position:absolute;
    margin-left:588px;
    margin-top:168px;
}

#otdelka{
    position:absolute;
    margin-left:794px;
    margin-top:208px;
}

#garantiya{
    position:absolute;
    margin-left:188px;
    margin-top:236px;
}

#tel{position:absolute;margin-top:289px;margin-left:384px;}

.text_tel{
    position:absolute;
    margin-left:438px;
    margin-top:346px;
    font-family:tahoma;
    font-size:12px;
    color:#323232;
}

.text_tel a{color:#E95D00;text-decoration:underline;}

.text_tel a:hover{color:#E95D00;text-decoration:none;}

.centr_fon{
    background-image:url('../images/centr_fona.png');
    background-position:left top;
    background-repeat:no-repeat;
    width:754px;
    font-family:tahoma;
    font-size:12px;
    color:#323232;
    text-align:justify;
    padding-left:148px;
    padding-right:98px;
}

.centr_back-nd_a{
    background-image:url('../images/top.gif');
    background-position:top;
    background-repeat:no-repeat;
    width:850px;
    font-family:tahoma;
    font-size:12px;
    color:#323232;
    text-align:left;
    padding-left:101px;
    padding-right:49px;
    padding-bottom:10px;
}

.centr_back-nd_first{
    background-image:url('../images/centr_fon.gif');
    background-position:left top;
    background-repeat:no-repeat;
}

.centr_back-nd_a h1{
    margin:0px;
    padding-top:15px;
    padding-bottom:10px;
    font-family:tahoma;
    font-size:20px;
    color:#E95D00;
    font-weight:normal;
}

.centr_back-nd_a p{
    margin:0px;
    padding-top:8px;
    padding-bottom:8px;
}

.centr_fon h1{
    margin:0px;
    padding-top:15px;
    padding-bottom:10px;
    font-family:tahoma;
    font-size:20px;
    color:#E95D00;
    font-weight:normal;
}

.centr_fon p{
    margin:0px;
    padding-top:8px;
    padding-bottom:8px;
}

.bottom_fon{
    background-image:url('../images/bottom_fon.jpg');
    background-position:left bottom;
    background-repeat:no-repeat;
    width:1000px;
    height:178px;
    text-align:left;
}

.bottom_back-nd_a{
    background-image:url('../images/bottom_fon_a.jpg');
    background-position:left bottom;
    background-repeat:no-repeat;
    width:1000px;
    height:178px;
    text-align:left;
    margin:0 auto;
}

.bottom_back-nd_b{
    background-image:url('../images/bottom_fon.jpg');
    background-position:left bottom;
    background-repeat:no-repeat;
    width:1000px;
    height:178px;
    text-align:left;
    margin:0 auto;
}

.bottom_repeat{
    background:url('../images/bottom_repeat.png');
    height:178px;
}

.copyright{
    font-family:tahoma;
    font-size:12px;
    color:#fff;
    text-align:left;
    margin-top:130px;
    padding-left:100px;
    position:absolute;
}

.copyright a{
    font-family:tahoma;
    font-size:12px;
    color:#AFAFAF;
    text-decoration:underline;
}

.copyright a:hover{
    font-family:tahoma;
    font-size:12px;
    color:#AFAFAF;
    text-decoration:none;
}

.fon_centr{
    background-image:url('../images/fon_centr.gif');
    background-repeat:repeat-y;
    width:1000px;
}

.back-nd_centr_a{
    background-image:url('../images/centr_index.gif');
    background-repeat:repeat-y;
    width:1000px;
}

.bl_a{
    background-image:url('../images/foto_a.jpg');
    background-position:left top;
    background-repeat:no-repeat;
    margin-left:1px;
    width:248px;
    margin-top:1px;
    padding:218px 18px 20px 18px;
}

.bl_b{
    background-image:url('../images/foto_b.jpg');
    background-position:left top;
    background-repeat:no-repeat;
    margin-left:1px;
    width:243px;
    margin-top:1px;
    padding:218px 18px 20px 18px;
}

.bl_c{
    background-image:url('../images/foto_c.jpg');
    background-position:left top;
    background-repeat:no-repeat;
    margin-left:1px;
    width:246px;
    margin-top:1px;
    padding:218px 18px 20px 18px;
}

.centr_back-nd_a td{vertical-align:top;}

#rem{position:absolute;margin-left:191px;margin-top:13px;}

#rem_b{position:absolute;margin-left:70px;margin-top:13px;}

#rem_c{
    position:absolute;
    margin-left:131px;
    margin-top:13px;
}

.bott{
    padding-left:101px;
    padding-right:49px;
    font-family:arial narrow;
    font-size:24px;
    font-weight:bold;
    color:#000;
}

.price_a{
    text-align:right;
    margin-top:14px;
    padding-left:20px;
    padding-right:20px;
    width:244px;
    margin-left:1px;
    float:left;
}

.price_b{
    text-align:right;
    margin-top:14px;
    padding-left:20px;
    padding-right:20px;
    width:239px;
    float:left;
}

.price_c{
    text-align:right;
    margin-top:14px;
    padding-left:20px;
    padding-right:20px;
    width:242px;
    float:left;
}

.bott a{
    color:#E95D00;
    text-decoration:underline;
    font-family:tahoma;
    font-size:12px;
    font-weight:normal;
}

.bott a:hover{
    color:#E95D00;
    text-decoration:none;
    font-family:tahoma;
    font-size:12px;
    font-weight:normal;
}