var b = navigator.appName;
var ua = navigator.userAgent.toLowerCase();

var Browser = {};

Browser.safari = ua.indexOf('safari') > -1;
Browser.opera = ua.indexOf('opera') > -1;
Browser.ns = !Browser.opera && !Browser.safari && b == 'Netscape';
Browser.ie = !Browser.opera && b == 'Microsoft Internet Explorer';
Browser.gecko = ua.indexOf('gecko') > -1;

delete b;
delete ua;

function get_id(id) {
	return document.getElementById(id);
}

function open_content(prefix, className, number, total) {
      for (var i = 1; i < (total+1); i++) {
		  get_id(prefix+i).style.visibility = 'hidden';
		  get_id('link_'+prefix+i).className = className;
	  }
	  get_id(prefix+number).style.visibility = 'visible';
	  get_id('link_'+prefix+number).className = className+'_selected';	  
}

function resize_content(prefix, height, number, total) {
      for (var i = 1; i < (total+1); i++) {
	  	  get_id(prefix+"_"+i).style.height = '100px';
	  }
	  get_id(prefix+"_"+number).style.height = height+'px';
	  get_id(prefix).style.height = height+'px';
}

function resizeIframe() {
	var height = document.documentElement.clientHeight;
	var width  = document.documentElement.clientWidth;			
	height -= document.getElementById('frame').offsetTop;
			
	// not sure how to get this dynamically
	//height -= 20;
	document.getElementById('frame').style.height = height +"px";
	document.getElementById('frame').style.width = width +"px";			
			
};


<!-- Login functions -->
	function www_panellogin_signin()
	{
		var objAccountIdInput = document.getElementById("www_panellogin_accountid");
		var objPasswordInput = document.getElementById("www_panellogin_password");

		window.location.href = "https://panel.ihostnetworks.com/Panel/SignIn.aspx?" +
			"idtype=SiteName" + 
			"&showwarnings=true" + 
			"&accountid=" + escape(objAccountIdInput.value) +
			"&password=" + escape(objPasswordInput.value);
	}

	// "Submit the form on enter" functionality
	function www_panellogin_onenter(in_objEvent)
	{
		var intKeyCode = -1;

		if(in_objEvent.which)
		{
			intKeyCode = in_objEvent.which;
		}
		else if(in_objEvent.keyCode)
		{
			intKeyCode = in_objEvent.keyCode;
		}

		if(intKeyCode == 13)
		{
			www_panellogin_signin();
			return false;
		}

		return true;
	}