function iFrameHeight() {
	if (navigator.appName == "Microsoft Internet Explorer"){
		if(document.getElementById && !(document.all)) {
			h = document.iframe.contentDocument.body.scrollHeight;
			if (h>900)
				document.iframe.style.height = h;	
			else
				document.iframe.style.height = 900;
		}
		else if(document.all) {
 			h = document.frames('iframe').document.body.scrollHeight;
			if (h>900)
				document.getElementById('iframe').style.height = h;	
			else
				document.getElementById('iframe').style.height = 900;
		}
	}
	if (navigator.appName == "Netscape"){
		if(document.getElementById && !(document.all)) {
			h = document.getElementById('iframe').contentDocument.body.scrollHeight;
			if (h>900)
				document.getElementById('iframe').height = h;
			else
				document.getElementById('iframe').height = 900;
		}
		else if(document.all) {
 			h = document.getElementById('iframe').contentDocument.body.scrollHeight;
			alert ("ff2: "+h)
			if (h>900)
				document.getElementById('iframe').style.height = h;	
			else
				document.getElementById('iframe').style.height = 900;
		}	
	}
}