var banner_num = 0;

var openId="none";

var doCheck = (document.all!=null);



if (doCheck == false) {

	versionNN = navigator.appVersion;

	if (versionNN.search(/5.0/i) == -1) {

		browser = "NN4";

	} else {

		browser = "NN6";

	}

} else {

	browser = "IE";

}



navimgNames = new Array(

"../images/nav/nav_over_home.gif",

"../images/nav/nav_about_on.jpg",

"../images/nav/nav_watch_on.jpg",

"../images/nav/nav_question_on.jpg",

"../images/nav/nav_newsletter_on.jpg",

"../images/nav/nav_cliffe_on.jpg",

"../images/nav/nav_links_on.jpg",

"../images/nav/nav_support_on.jpg",

"../images/nav/nav_contact_on.jpg"

)



loadNavImgs = new Array();



for(i=0; i < navimgNames.length; i++) {

  loadNavImgs[i] = new Image;

  loadNavImgs[i].src = navimgNames[i];

}



function rollOver(name) {

	document.images[name].src = "../images/nav/nav_"+name+"_on.jpg";

}



function rollOut(name) {

	document.images[name].src = "../images/nav/nav_"+name+"_off.jpg";

}



function getLayer(id) {        

   	if (browser == "IE")

   		return document.all[id];

   	else if (browser == "NN4")

		return document.layers[id];

	else

		return document.getElementById(id); 	

}



function showLayer(id) {        

   var get = getLayer(id)

   if (get != null)          

     	if (browser == "IE" || browser == "NN6")

         	get.style.visibility = "visible";

      	else if (browser == "NN4")

         	get.visibility = "show";

}     

  

function hideLayer(id) {

	var get = getLayer(id)        

	if (get != null)        

      if (browser == "IE" || browser == "NN6")

         get.style.visibility = "hidden";

      else

         get.visibility = "hide";

}



function drillDown(id,div) {

	if (div == 'yes') {

		idDiv = id+'Div';

		if (openId == 'none') {

			showLayer(idDiv);

			rollOver(id);

			openId = id;

			openIdDiv = idDiv;

		} else {

			hideLayer(openIdDiv);

			rollOut(openId);

			showLayer(idDiv);

			rollOver(id);

			openId = id;

			openIdDiv = idDiv;

		}

	} else {

		if (openId == 'none') {

			rollOver(id);

		} else {

			hideLayer(openIdDiv);

			rollOut(openId);

			rollOver(id);

			openId = 'none';

		}

	}

}



function divRollover(name) {

	openId = name;

	openIdDiv = name+"Div";

	showLayer(openIdDiv);

	rollOver(openId);

}



function divRollout(name) {

	hideLayer(name+'Div');

	rollOut(name);

	openId = 'none';

	openIdDiv = 'none';

}



function closeBut(name) {

	hideLayer(name+'Div');

	rollOut(name);

	openId = 'none';

	openIdDiv = 'none';

}



function pop(mypage, myname, w, h, scroll,menu) {

	var winl = (screen.width - w) / 2;

	var wint = (screen.height - h) / 2;

	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable=no';

	if (menu=='yes')

		winprops += ',menubar=yes,toolbar=yes,locationbar=yes';

		

	win = window.open(mypage, myname, winprops);

	  if ((window.navigator.appName.indexOf("Microsoft")==0) &

	      (window.navigator.appVersion.substring(0,1)=="4"))

	  {

	    damnBrowser = 1;

	  }

	  else if ((window.navigator.appName.indexOf("Netscape")==0) &

	           (window.navigator.appVersion.substring(0,1)=="4"))

	  {

	    damnBrowser = 1;

	  }

	  else if (parseFloat(navigator.appVersion.substring(0,navigator.appVersion.indexOf("")))>=3.0)

	  {

	    if ((window.navigator.appName.indexOf("Microsoft")=="0") &

	        (window.navigator.userAgent.indexOf("Mac")>=0) & (parseFloat(navigator.appVersion.substring(0,navigator.appVersion.indexOf("")))<4.0))

	    { }

	    else

	    {

	      win.focus();

	    }

	}

}



function isBlank(testString) {

	for	(var i = 0; i < testString.length; i++) {

		var c = testString.charAt(i);

		if ( (c != ' ') && (c != '\\n') && (c != '\\t') && (c != '\\r') )

			return false;

	}

	return true;

}



function isAlphaNumeric(testString) {

	for (var i = 0; i < testString.length; i++) {

		var c = testString.charAt(i);

		if ( (c < '0') || ((c > '9') && (c < 'A')) || ((c > 'Z') && (c < 'a')) || (c > 'z'))

			return false;

	}

	return true;

}



function isStandardLogin(testString) {

	for(var i = 0; i < testString.length; i++) {

		var c = testString.charAt(i);

		if ( ((c < '0') || ((c > '9') && (c < 'A')) || ((c > 'Z') && (c < 'a')) || (c > 'z')) && (c != '_') && (c != '-') )

			return false;

	}

	return true;

}



function emailvalidation(entered, alertbox) {

	with (entered) {

		apos=value.indexOf("@"); 

		dotpos=value.lastIndexOf(".");

		lastpos=value.length-1;

		if (apos<1 || dotpos-apos<2 || lastpos-dotpos>3 || lastpos-dotpos<2) {

			if (alertbox) {

				alert(alertbox);

			} 

			return false;

		} else {

			return true;

		}

	}

}



function formvalidation(thisform) {

	with (thisform)	{

		if (emailvalidation(target_address,"Please enter a valid email address")==false) {

			target_address.focus(); 

			return false;

		};

		if (emailvalidation(user_address,"Please enter a valid email address")==false) {

			user_address.focus(); 

			return false;

		};

	}

}



function mapPop(imageUrl,title,w,h) {

	if (doCheck && navigator.platform == "MacPPC"){

		w = w - 16;

		h = h - 16;

	}

	var dimensions = "width="+w+",height="+h; 

	var winName = title.replace(/ /g,""); 

	var title = title+" -- FOXNews.com"; 

	var win = window.open("",winName,dimensions); 

	var d = win.document; 

	d.writeln("<html>"); 

	d.writeln("<head><title>"+title+"</title></head>"); 

	d.writeln("<body marginheight=0 marginwidth=0 topmargin=0 leftmargin=0 onLoad=window.focus();>"); 

	d.writeln("<img src="+imageUrl+" border=0>"); 

	d.writeln("</body>"); 

	d.writeln("</html>"); 

	d.close(); 

}