function showProductCompanyImage(button, image_filename){
	var button_x = getX(button);
	var button_y = getY(button);
	
	document.getElementById('product_company_image_box').style.left = (button_x+170)+"px";
	document.getElementById('product_company_image_box').style.top = button_y+"px";

	var imgPreloader = new Image();
	imgPreloader.onload=function(){
		//	L'immagine è caricata
		document.getElementById('product_company_image').src = image_filename;
		document.getElementById('product_company_image_box').style.display = 'block';			
	}
	imgPreloader.src = image_filename;	
}





//-------------------------------------------------------------//





function hideProductCompanyImage(){
		document.getElementById('product_company_image_box').style.display = 'none';
}





//-------------------------------------------------------------//





function getX(obj){
	var x = 0;
	do
	{
		x += obj.offsetLeft;
		obj = obj.offsetParent;
	}
	while (obj);
	return x;
}





//-------------------------------------------------------------//





function getY(obj){
	var y = 0;
	do
	{
		y += obj.offsetTop;
		obj = obj.offsetParent;
	}
	while (obj);
	return y;
}