var getFFVersion = navigator.userAgent.substring(navigator.userAgent.indexOf("Firefox")).split("/")[1];
var FFextraHeight = getFFVersion>=0.1 ? 16 : 26;
var bAddFFExtra = getFFVersion>=0.1 ? true : true;
var nMinHeight = 20;
var nOffset = 260;

function vFrameResize(nNewHeight) {
	var objIframe;
	if (!nNewHeight) {
		return;
	}
	if (document.getElementById) {
		objIframe = document.getElementById('orderframe');
		if (objIframe) {
			objIframe.style.display = "block";
			if (bAddFFExtra) {
				nNewHeight+= FFextraHeight;
			}
			nNewHeight+= nOffset;
			if(nNewHeight > 6000) {
				nNewHeight -= 1800;
			}
			nNewHeight = (nMinHeight>nNewHeight) ? nMinHeight : nNewHeight;
			objIframe.height = nNewHeight;
			objIframe.style.height = nNewHeight+'px';
		}
	}
}