function updatesize(){
var size = document.getElementById('background').offsetHeight;

document.getElementById('colone_gauche').style.height=size+'px';
}

function sondage(name_sond){
  var m=0;
  for (i=0;i<6;i++) {
    if (name_sond[i].checked==true) {
      m=i;	
      return Number(i+1);
    }
  } 
}

function change_frame (id,page,Vdata0,Vdata1,Vdata2,Vdata3,Vdata4,Vdata5,Vdata6,Vdata7,Vdata8,Vdata9,Vdata10,Vdata11,Vdata12,Vdata13,Vdata14,Vdata15,Vdata16,Vdata17,Vdata18,Vdata19,Vdata20,Vdata21,Vdata22,Vdata23)
{

new Effect.Fade(id, 
			{duration:0.5,fps: 25,afterFinish:
				function() 
					{
					new Ajax.Updater(id, page,
						{
						parameters: { Vdata0: Vdata0,
							Vdata1: Vdata1,
							Vdata2: Vdata2,
							Vdata3: Vdata3,
							Vdata4: Vdata4,
							Vdata5: Vdata5,
							Vdata6: Vdata6,
							Vdata7: Vdata7,
							Vdata8: Vdata8,
							Vdata9: Vdata9,
							Vdata10: Vdata10,
							Vdata11: Vdata11,
							Vdata12: Vdata12,
							Vdata13: Vdata13,
							Vdata14: Vdata14,
							Vdata15: Vdata15,
							Vdata16: Vdata16,
							Vdata17: Vdata17,
							Vdata18: Vdata18,
							Vdata19: Vdata19,
							Vdata20: Vdata20,
							Vdata21: Vdata21,
							Vdata22: Vdata22,
							Vdata23: Vdata23

							},
						method: 'get',

						asynchronous:true, evalScripts:true,   
						onSuccess: 
						function() 
							{   
							new Effect.Appear(id, {  duration: 0.5,fps: 25,queue:'end',afterFinish: function(){updatesize();}});
							}
						}
						);
					}
			}
		)
}