var start = 0; 
var timm1 = 0;    

function relancescroll() 
{        
    var diff_pos;      
    pos_scroll = (navigator.appName == "Microsoft Internet Explorer") ? document.documentElement.scrollTop : window.pageYOffset;       
    last_position_annonce = parseInt(document.getElementById('argument_part_01').style.top);
         
    //Difference de position
    if(pos_scroll < max)
    	diff_pos = pos_scroll-(last_position_annonce+532); 
    	
    if(pos_scroll > min)            
        new Effect.MoveBy('argument_part_01', diff_pos, 0,{duration:0.4});    
    else
    {       
        diff_pos = 0 - last_position_annonce; 
        if(diff_pos <= 0)
            new Effect.MoveBy('argument_part_01', diff_pos+1, 0,{duration:0.4});
    }                                                                                                             
    //setTimeout('relancescroll()', 650);
}                   
window.onload = function() {                                         
        new Effect.MoveBy('argument_part_01', 0, 0); 
        start = 1;                     
}          

window.onscroll = function() {           
                                    
    if(timm1)
    	clearTimeout(timm1);
    if(start == 1)
    	timm1 = setTimeout('relancescroll()', 100);
}