function layerimageSwap(Image, Src, idname){
	var objStr,obj;
	if(document.images){
		if (typeof(Image) == 'string') {
			objStr = 'document.' + Image;
			obj = eval(objStr);
			obj.src = Src;
		}else if ((typeof(Image) == 'object') && Image && Image.src) {
				Image.src = Src;
				}
	}
}

function fill(content,idname,parentname,grandad){
	document.all[idname].innerHTML = content;
}

function init(){
  	var divTop = findPosY('main_content_div');
	var divLeft = document.all['main_content_div'].offsetLeft;
    // locate the images absolute to the page, based on main_content div's pos
	moveTo(document.all['go1'].style,divLeft + 90, divTop)
	moveTo(document.all['go2'].style,divLeft + 150, divTop)
	moveTo(document.all['leftcontentdiv'].style,divLeft + 3,divTop+30)
	moveTo(document.all['rightcontentdiv'].style,divLeft + 208,divTop+74)
}

function moveTo(id,x,y) {
	id.xpos = x
	//id.left = id.xpos -- makes divs move left and right with screen
	id.left = id.left //makes divs move just up and down with screen
	id.ypos = y
	id.top = id.ypos
}

function findPosY(idname){
	var obj = document.all[idname];
    var objPos = obj.style.position;
    obj.style.position = 'static';
	var curtop = 0;
	if (obj.offsetParent)
	{
	    while (obj.offsetParent)
	    {
	        curtop += obj.offsetTop
	        obj = obj.offsetParent;
	    }
	}
	else if (obj.y) {
	    curtop += obj.y;
    }
    document.all[idname].style.position = objPos;
	return curtop;
}