function getStyle(el, style)
{
	if(!document.getElementById)
	{
		return;
	}
	var value = el.style[toCamelCase(style)];
 	
	if(!value)
	{
		if(document.defaultView)
		{
			value = document.defaultView.getComputedStyle(el, "").getPropertyValue(style);
		}
		else if(el.currentStyle)
		{
			value = el.currentStyle[toCamelCase(style)];
		}
	}
	return value;
}
function setStyle(obj, style, value)
{
	obj.style[style] = value;
}
function toCamelCase( sInput )
{
	var oStringList = sInput.split('-');
	if(oStringList.length == 1)  
	{
		return oStringList[0];
	}
	var ret = sInput.indexOf("-") == 0 ? oStringList[0].charAt(0).toUpperCase() + oStringList[0].substring(1) : oStringList[0];
	for(var i = 1, len = oStringList.length; i < len; i++)
	{
		var s = oStringList[i];
		ret += s.charAt(0).toUpperCase() + s.substring(1)
	}
	return ret;
}