function getId(id)
{
	return document.getElementById && document.getElementById(id);
}
function getCont(id)
{
	var cont = getId(id);
	var cont_v = cont.innerHTML;
	return cont_v;
}
function getStyle(oElm, strCssRule)
{
	var strValue = "";
	if(document.defaultView && document.defaultView.getComputedStyle)
	{
		strValue = document.defaultView.getComputedStyle(oElm, "").getPropertyValue(strCssRule);
	} else if(oElm.currentStyle){
		strCssRule = strCssRule.replace(/\-(\w)/g, function (strMatch, p1){
			return p1.toUpperCase();
		});
		strValue = oElm.currentStyle[strCssRule];
	}
	return strValue;
}