// JavaScript Document

function ShowImage(id) {
    obj = document.getElementsByTagName("div");
   	/*obj[id].style.top = window.clientY + "px";*/
   	if(navigator.appName == 'Microsoft Internet Explorer'){
	   	obj[id].style.top = document.body.scrollTop+ 180 + "px";
	}else{
		obj[id].style.top = document.documentElement.scrollTop+ 180 + "px";
	}
   	obj[id].style.visibility = 'visible';
}

function HideImage(id) {
    obj = document.getElementsByTagName("div");
    if (obj[id].style.visibility == 'visible'){
    	obj[id].style.visibility = 'hidden';
    }
}