function ShowDialog(obj) {
	intLeft = document.getElementById('main').offsetLeft;
	intTop = document.getElementById('main').offsetTop;
	document.getElementById(obj).style.left = intLeft + 239 + 'px';
	document.getElementById(obj).style.top = intTop + 235 + 'px';
	document.getElementById(obj).style.display = 'block';
}

function MouseOver(obj, img) {
	document.getElementById(obj).style.filter='alpha(opacity=100)';
	document.getElementById(obj).style.opacity=1;
	document.getElementById(obj).style.cursor='hand';
	Click(img);
}

function MouseOut(obj) {
	document.getElementById(obj).style.filter='alpha(opacity=75)';
	document.getElementById(obj).style.opacity=0.75;
}

function Click(obj) {
	HideDialog();
	ShowDialog(obj);
}

function HideDialog() {
	document.getElementById('dialog1').style.display = 'none';
	document.getElementById('dialog2').style.display = 'none';
	document.getElementById('dialog3').style.display = 'none';
	document.getElementById('dialog4').style.display = 'none';
}