function getStyle(obj, name)
	{
		if(obj.currentStyle)
		{
			return obj.currentStyle[name];
		}
		else
		{
			return getComputedStyle(obj, false)[name];
		}
	}
	
	window.onload=function ()
	{
		var oDiv=document.getElementById('div1');
	
		alert(getStyle(oDiv, 'backgroundColor'));
	};