function resize(){
//alert("toto");
var O_Srce = document.getElementById( 'exemplemissionmcontent');
var test = document.getElementById( 'main_missions');
//alert(test.offsetHeight+" pour mainmission "+O_Srce.offsetHeight+" pour exemplemission");
/*if(O_Srce.offsetHeight<1000){
O_Srce.style.height="1000px";
}*/


var O_Dest = document.getElementById( 'main_missions');
//O_Dest.style.width  = parseInt( O_Srce.offsetWidth) +'px';


if(O_Srce.offsetHeight>520){
O_Dest.style.height = parseInt( O_Srce.offsetHeight+100) +'px';
}

}
function place_fond(){


var divMain = document.getElementById( 'main');
var tailleDiv=divMain.offsetHeight;
if(tailleDiv>480){
var posY=(tailleDiv-480)+10;
//divMain.style.backgroundImage='url(uploads/images/fond.jpg)'; 
divMain.style.backgroundPosition='0 '+posY+'px';
}

}