dropboxleft = new Array(5)
dropboxleft[1]=2
dropboxleft[2]=110
dropboxleft[3]=230
dropboxleft[4]=345
dropboxleft[5]=460

dropboxtop = new Array(5)
dropboxtop[1]=222
dropboxtop[2]=222
dropboxtop[3]=222
dropboxtop[4]=222
dropboxtop[5]=222


var dropspeed=20 //(plus grand=plus vite) 

var ie=document.all
var dom=document.getElementById
var crossboxcover
var crossbox


function getObjet(n){
if(dom){crossboxcover=document.getElementById('dropboxcover'+n)
		crossbox=document.getElementById('dropbox'+n) }
else
	{switch (n) {
				case 1 :
				crossboxcover=document.all.dropboxcover1;crossbox=document.all.dropbox1; break;
				case 2 :
				crossboxcover=document.all.dropboxcover2;crossbox=document.all.dropbox2; break;
				case 3 :
				crossboxcover=document.all.dropboxcover3;crossbox=document.all.dropbox3; break;
				case 4 :
				crossboxcover=document.all.dropboxcover4;crossbox=document.all.dropbox4; break;
				case 5 :
				crossboxcover=document.all.dropboxcover5;crossbox=document.all.dropbox5; break;
				}
	}
	
}

function initbox(n){
if (!dom&&!ie)
return
dismissbox(1)
dismissbox(2)
dismissbox(3)
dismissbox(4)
dismissbox(5)

getObjet(n)

scroll_top=(ie)? truebody().scrollTop : window.pageYOffset
crossbox.height=crossbox.offsetHeight
crossboxcover.style.height=parseInt(crossbox.height)+"px"
crossbox.style.top=crossbox.height*(-1)+"px"
crossboxcover.style.left=dropboxleft[n]+"px"
crossboxcover.style.top=dropboxtop[n]+"px"
crossboxcover.style.visibility=(dom||ie)? "visible" : "show"
dropstart=setInterval("drop("+n+")",50)
}



function drop(n){
getObjet(n)
scroll_top=(ie)? truebody().scrollTop : window.pageYOffset
if (parseInt(crossbox.style.top)<0){
crossboxcover.style.top=scroll_top+dropboxtop[n]+"px"
crossbox.style.top=parseInt(crossbox.style.top)+dropspeed+"px"
}
else{
clearInterval(dropstart)
crossbox.style.top=0
}
}


function dismissbox(n){
getObjet(n)
if (window.dropstart) clearInterval(dropstart)
crossboxcover.style.visibility="hidden"
}


function truebody(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

//window.onload=initbox