var ie = document.all&&!window.opera?1:0;
var dom = document.getElementById?1:0;
var ns4 = document.layers?1:0;

function init() {
	if(!(ie||dom||ns4)) {
		return;
	}
	else if(ie) {
		box = document.all.dropbox.style;
		boxwidth = document.all.dropbox.offsetWidth;
	}
	else if(dom) {
		box = document.getElementById("dropbox").style;
		boxwidth = document.getElementById("dropbox").offsetWidth;
	}
	else if(ns4) {
		box = document.dropbox;
		boxwidth = box.clip.width;
	}
	
	scroll_left=(ie)?document.body.scrollLeft:window.pageXOffset;
	box.left = (scroll_left - (boxwidth))+"px";
	box.width = ((screen.width+1)/2-20)+"px"
	speed = 1;
	dropIn();
}


function dropIn() {
 speed+=6; 

 if(parseInt(box.left) < scroll_left ) {

  box.left = parseInt(box.left) + speed +"px";
  in_timer = setTimeout("dropIn()", 50);
 } 
 else {
  clearTimeout(in_timer);
 }
}


function dropOut() {
	box.display = "none"
}

setTimeout("init()", 2000);