$(document).ready( function() {   
    var mainHeight = $("#main").height();
    var leftHeight = $("#sidebar-left .sidebar-inner").height();
    var rightHeight = $("#sidebar-right .sidebar-inner").height();    
   
    if(mainHeight > leftHeight && mainHeight > rightHeight ){
	  	$("#block-remedi-4").css({paddingTop:mainHeight-leftHeight+"px"});
    }
    else if(rightHeight > leftHeight && rightHeight > mainHeight ){
	  	$("#block-remedi-4").css({paddingTop:rightHeight-leftHeight+"px"});
    }
    
});