x = 466;
y = 475;
function setVisible(obj)
{
	obj = document.getElementById(obj);
	obj.style.visibility = (obj.style.visibility == 'visible') ? 'hidden' : 'visible';
}
mapSetVisible_history=new Array();
function mapSetVisible(obj){
	objString=obj;
	//if(mapSetVisible_history.find(objString)==false){
	tmp_array=mapSetVisible_history;
	tmp_array[tmp_array.length]=objString;
	if(!Array.match(tmp_array)){
		mapSetVisible_history[mapSetVisible_history.length]=objString;
	}
	obj = document.getElementById(obj);
	obj.style.display = (obj.style.display == 'block') ? 'none' : 'block';
	for(var arr_key in mapSetVisible_history){
		if(mapSetVisible_history[arr_key]!=objString && document.getElementById(mapSetVisible_history[arr_key])){
			document.getElementById(mapSetVisible_history[arr_key]).style.display='none';}
	}
}
function placeIt(obj)
{
	obj = document.getElementById(obj);
	if (document.documentElement)
	{
		theLeft = document.documentElement.scrollLeft;
		theTop = document.documentElement.scrollTop;
	}
	else if (document.body)
	{
		theLeft = document.body.scrollLeft;
		theTop = document.body.scrollTop;
	}
	theLeft += x;
	theTop += y;
	obj.style.left = theLeft + 'px' ;
	obj.style.top = theTop + 'px' ;
	setTimeout("placeIt('layer1','layer2','layer3','layer4','layer5','layer6','layer7','layer8','layer9','layer10','layer11','layer12','layer13','layer14','layer15','layer16','layer17','layer18','layer19','layer20','layer21')",500);
}
Array.prototype.find = function(searchStr) {
  var returnArray = false;
  for (i=0; i<this.length; i++) {
    if (typeof(searchStr) == 'function') {
      if (searchStr.test(this[i])) {
        if (!returnArray) { returnArray = [] }
        returnArray.push(i);
      }
    } else {
      if (this[i]===searchStr) {
        if (!returnArray) { returnArray = [] }
        returnArray.push(i);
      }
    }
  }
  return returnArray;
}
Array.match = function(array){
	if(array.constructor==Array){
		var find_obj=new Object;
		var dup_found=false;
		for(var m_key in array){
			if(!find_obj[array[m_key]]){
				find_obj[array[m_key]]=1;
			}else{
				find_obj[array[m_key]]++;
				dup_found=true;
				break;
			}
		}
		return dup_found;
	}else{
		return false;
	}
};

window.onscroll = setTimeout("placeIt('layer1','layer2','layer3','layer4','layer5','layer6','layer7','layer8','layer9','layer10','layer11','layer12','layer13','layer14','layer15','layer16','layer17','layer18','layer19','layer20','layer21')",500);