/*

fonctions de gestion des objets
	
*/

function ImageGetPositionX(image)
{
	obj=document.images[image];

	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}

function ImageGetPositionY(image)
{
	obj=document.images[image];

	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}


function ImageRollOver(image)
{
	document.images[image].src=eval(image+"_over.src");
}

function ImageRollOut(image)
{
	document.images[image].src=eval(image+"_on.src");
}

function ImagePreload(image,file)
{
eval(image+"=new Image()");
eval(image+".src=file");
}