#struct_entete {
	width:100%;
	height:175px;
	position: absolute;
	top:0px;
	left:0px
	}
#struct_contenu {
        width:100%;
        top:190px;
        left:0px;
        padding-top:190px;
        }

        * html #struct_contenu { top:195px; padding-top:195px; } /*IE6*/
/*		*:first-child+html #struct_contenu { top:177px; padding-top:177px; }*/ /*IE7*/