Overlappende divs (Opgelost)

<div id="wrapper">
    <div id="container">
    	<div id="header"><a href="test.html" class="testlink" >a</a></div>
        <div class="contentwrapper">
        	<div id="sidebar-left">bla</div>
            <div id="content">bla</div>
            <div id="sidebar-right">blka</div>
        </div>
    </div>
</div>

<div id="wrapper">
    <div id="container">
    	<div id="header"><a href="test.html" class="testlink" >a</a></div>
        <div class="contentwrapper">
        	<div id="sidebar-left">bla</div>
            <div id="content">bla</div>
            <div id="sidebar-right">blka</div>
        </div>
    </div>
</div>

body, html {
height:100%;
width:100%;
}
 
#wrapper {
background:transparent url(../images/body-bg.png) repeat-x scroll 0 0;
height:100%;
padding-bottom:100px;
width:100%;
}
 
#container {
margin:auto;
width:1037px;
}
 
#header {
	background-color:#F00;
	height:239px;
	width: 1036px;
	height: 200px;
	margin: 0;
	padding: 0;
}
.contentwrapper {
position:absolute;
z-index:1;
}
#sidebar-left {
float:left;
margin:0 0 100px 37px;
width:241px;
background-color:#0F0;
}
#content {
float:left;
margin:0 0 0 9px;
width:500px;
background-color:#00F;
}
#sidebar-right {
float:left;
margin:18px 0 0 10px;
width:203px;
background-color:#FF0
}
.testlink {
background:transparent url(link.gif) no-repeat scroll 0 0;
display:block;
float:right;
height:20px;
margin-right:35px;
margin-top:200px;
width:90px;
}

body, html {
height:100%;
width:100%;
}
 
#wrapper {
background:transparent url(../images/body-bg.png) repeat-x scroll 0 0;
height:100%;
padding-bottom:100px;
width:100%;
}
 
#container {
margin:auto;
width:1037px;
}
 
#header {
	background-color:#F00;
	height:239px;
	width: 1036px;
	height: 200px;
	margin: 0;
	padding: 0;
}
.contentwrapper {
position:absolute;
z-index:1;
}
#sidebar-left {
float:left;
margin:0 0 100px 37px;
width:241px;
background-color:#0F0;
}
#content {
float:left;
margin:0 0 0 9px;
width:500px;
background-color:#00F;
}
#sidebar-right {
float:left;
margin:18px 0 0 10px;
width:203px;
background-color:#FF0
}
.testlink {
background:transparent url(link.gif) no-repeat scroll 0 0;
display:block;
float:right;
height:20px;
margin-right:35px;
margin-top:200px;
width:90px;
}