// rollover for all Level 1 Internal Site
// One JS file means that it will be cached for all of the site
// 


// Timeoout Used to stop annoying Netscape flicker
var timeout_siteInternalId;



// Preload internal rollovers + descriptions
function preload_siteInternal() {
if(document.images) {
  var ImgArray = new Array();
  for (var i = 0; i < 22; i++) {
    ImgArray[i] = new Image();
  }    
	ImgArray[0].src = "/wgbh/amex/pill/subimages/film_top.jpg";
	ImgArray[1].src = "/wgbh/amex/pill/subimages/gallery_top.jpg";
	ImgArray[2].src = "/wgbh/amex/pill/subimages/people_top.jpg";
	ImgArray[3].src = "/wgbh/amex/pill/subimages/sfeat_top.jpg";
	ImgArray[4].src = "/wgbh/amex/pill/subimages/teach_top.jpg";
	ImgArray[5].src = "/wgbh/amex/pill/subimages/time_top.jpg";
	ImgArray[6].src = "/wgbh/amex/pill/subimages/film_nav_over.gif";
	ImgArray[7].src = "/wgbh/amex/pill/subimages/gallery_nav_over.gif";
	ImgArray[8].src = "/wgbh/amex/pill/subimages/people_nav_over.gif";
	ImgArray[9].src = "/wgbh/amex/pill/subimages/sfeat_nav_over.gif";
	ImgArray[10].src = "/wgbh/amex/pill/subimages/teach_nav_over.gif";
	ImgArray[11].src = "/wgbh/amex/pill/subimages/time_nav_over.gif";	
	ImgArray[12].src = "/wgbh/amex/pill/subimages/sf_1_nav_over.gif";
	ImgArray[13].src = "/wgbh/amex/pill/subimages/sf_2_nav_over.gif";
	ImgArray[14].src = "/wgbh/amex/pill/subimages/sf_3_nav_over.gif";
	ImgArray[15].src = "/wgbh/amex/pill/subimages/sf_4_nav_over.gif";
	ImgArray[16].src = "/wgbh/amex/pill/subimages/sf_5_nav_over.gif";
	ImgArray[17].src = "/wgbh/amex/pill/subimages/sf_6_nav_over.gif";
	ImgArray[18].src = "/wgbh/amex/pill/subimages/sfeat_nav_off.gif";	
	ImgArray[19].src = "/wgbh/amex/pill/subimages/sfeat_nav_on.gif";	
  }
}


// Preload internal Special Features rollovers
function preload_siteSfeat_Internal() {
if(document.images) {
  var ImgArray = new Array();
  for (var i = 0; i < 10; i++) {
    ImgArray[i] = new Image();
  }    
	ImgArray[0].src = "/wgbh/amex/pill/subimages/sf_1_nav_over.gif";
	ImgArray[1].src = "/wgbh/amex/pill/subimages/sf_2_nav_over.gif";
	ImgArray[2].src = "/wgbh/amex/pill/subimages/sf_3_nav_over.gif";
	ImgArray[3].src = "/wgbh/amex/pill/subimages/sf_4_nav_over.gif";
	ImgArray[4].src = "/wgbh/amex/pill/subimages/sf_5_nav_over.gif";
	ImgArray[5].src = "/wgbh/amex/pill/subimages/sf_6_nav_over.gif";
	ImgArray[8].src = "/wgbh/amex/pill/subimages/sfeat_nav_off.gif";	
	ImgArray[9].src = "/wgbh/amex/pill/subimages/sfeat_nav_on.gif";	
  }
}


// Preload internal Filmand More rollovers
function preload_siteFilm_Internal() {
if(document.images) {
  var ImgArray = new Array();
  for (var i = 0; i < 8; i++) {
    ImgArray[i] = new Image();
  }    
	ImgArray[0].src = "/wgbh/amex/pill/subimages/film_t_nav_over.gif";
	ImgArray[1].src = "/wgbh/amex/pill/subimages/film_fr_nav_over.gif";
	ImgArray[2].src = "/wgbh/amex/pill/subimages/film_nav_over.gif";
	ImgArray[3].src = "/wgbh/amex/pill/subimages/film_fd_nav_over.gif";
	ImgArray[4].src = "/wgbh/amex/pill/subimages/film_ps_nav_over.gif";
	ImgArray[5].src = "/wgbh/amex/pill/subimages/film_nav_off.gif";
	ImgArray[6].src = "/wgbh/amex/pill/subimages/film_nav_on.gif";
	ImgArray[7].src = "/wgbh/amex/pill/subimages/film_a_nav_over.gif";
  }
}

function popswap_on(rollNav, thisPop) {
	var rollStr, titleStr, thisPopStr, roll_obj, title_obj, thisPop_obj, roll_url, title_url, thisPop_url;

	if(document.images) {
//		clearTimeout(timeout_siteInternalId);

		rollStr = 'document.sf_attitudes_' + rollNav;
		roll_obj = eval(rollStr);
		titleStr = 'document.pop_attitudes_top';
		title_obj = eval(titleStr);
		thisPopStr = 'document.sf_attitudes_' + thisPop;
		thisPop_obj = eval(thisPopStr);

		if (rollStr != thisPopStr){
			roll_url = 'images/sf_attitudes_' + rollNav + '_over.jpg';
			title_url = 'images/sf_attitudes_pop_' + rollNav + '_top.gif';
			thisPop_url = 'images/sf_attitudes_' + thisPop + '.jpg';
	
			roll_obj.src = roll_url;
			title_obj.src = title_url;
			thisPop_obj.src = thisPop_url;
		}
	}
}

function popswap_off(rollNav, thisPop) {
	var rollStr, titleStr, thisPopStr, roll_obj, title_obj, thisPop_obj, roll_url, title_url, thisPop_url;

	if(document.images) {
//		clearTimeout(timeout_siteInternalId);

		rollStr = 'document.sf_attitudes_' + rollNav;
		roll_obj = eval(rollStr);
		titleStr = 'document.pop_attitudes_top';
		title_obj = eval(titleStr);
		thisPopStr = 'document.sf_attitudes_' + thisPop;
		thisPop_obj = eval(thisPopStr);

		if (rollStr != thisPopStr){
			roll_url = 'images/sf_attitudes_' + rollNav + '.jpg';
			title_url = 'images/sf_attitudes_pop_' + thisPop + '_top.gif';
			thisPop_url = 'images/sf_attitudes_' + thisPop + '_over.jpg';
	
			roll_obj.src = roll_url;
			title_obj.src = title_url;
			thisPop_obj.src = thisPop_url;
		}
	}
}


// On MOUSEOUT this function resets the nav bar to "thissecttion" and the 
// rollover info box to default (no text)
// It is called from the off function with time out to avoid annoying flicker
// Created by Daniel Bulli

function reset_NavandRollText(thissection) {
	var imgTurl, obj, objStr, imgRurl;
	if(document.images) {
		objStr = 'document.m_' + thissection;
      	obj = eval(objStr);
      	imgRurl = '../subimages/' + thissection + '_nav_over.gif'; 
  		imgTurl = '../subimages/top_off.jpg';
  		obj.src = imgRurl; 
   		document.roll_text_info.src=imgTurl;	
	}
}


// On MOUSEOUT this function resets the nav bar to "thissecttion" and the 
// rollover info box to default (no text)
// It is called from the off function with time out to avoid annoying flicker
// nb// this doesn't change rollover info
function reset_Nav(thissection) {
	var imgTurl, obj, objStr, imgRurl;
	if(document.images) {
		objStr = 'document.m_' + thissection;
      	obj = eval(objStr);
      	imgRurl = '../subimages/' + thissection + '_nav_over.gif'; 
  		obj.src = imgRurl; 	
	}
}


// sections with sub_nav
function reset_sub_NavandRollText(thissection) {
	var imgTurl, obj, objStr, imgRurl;
	if(document.images) {
		objStr = 'document.m_' + thissection;
      	obj = eval(objStr);
      	imgRurl = '../subimages/' + thissection + '_nav_on.gif'; 
  		imgTurl = '../subimages/top_off.jpg';
  		obj.src = imgRurl; 
   		document.roll_text_info.src=imgTurl;	
	}
}

// special by Joe
function reset_roller(thissection) {
	var imgTurl, obj, objStr, imgRurl;
	if(document.images) {
		objStr = 'document.m_' + thissection;
      	obj = eval(objStr);
      	imgRurl = '../subimages/' + thissection + '_nav.gif';
  		imgTurl = 'images/date_off.gif';
  		obj.src = imgRurl; 
   		document.roller.src=imgTurl;	
	}
}



// sections with sub_nav
function reset_sub_Nav(thissection) {
	var imgTurl, obj, objStr, imgRurl;
	if(document.images) {
		objStr = 'document.m_' + thissection;
      	obj = eval(objStr);
      	imgRurl = '../subimages/' + thissection + '_nav_on.gif'; 
  		obj.src = imgRurl; 	
	}
}

// On MOUSEOUT this function resets the nav bar to "thissecttion" and the 
// rollover info box to default (no text)
// It is called from the off function with time out to avoid annoying flicker
// nb// this ONLY rollover info
function reset_RollText() {
	var imgTurl;
	if(document.images) {
  		imgTurl = '../subimages/top_off.jpg';
   		document.roll_text_info.src=imgTurl;	
	}
}


// Functions for onmouseover and mouseout..
// thisNav is there in case more rollovers are added to a page, that have different funtionality
// imgName == current rollover, thissection == section that user is in
// Created by Daniel Bulli
function on_inav(thisNav, imgName, thissection) {
	var objStr,obj, sec_objStr, sec_obj, imgRurl, sec_imgRurl, imgTurl;
	if(document.images) {
		if (thisNav == 'm') {
			clearTimeout(timeout_siteInternalId);
	  		objStr = 'document.m_' + imgName; obj = eval(objStr);
      		sec_objStr = 'document.m_' + thissection; sec_obj = eval(sec_objStr);      
      		imgRurl = '../subimages/' + imgName + '_nav_over.gif';
      		sec_imgRurl = '../subimages/' + thissection + '_nav.gif';
      		sec_obj.src = sec_imgRurl;
      		obj.src = imgRurl;
      		imgTurl = '../subimages/' + imgName + '_top.jpg';
      		document.roll_text_info.src=imgTurl;      		      		
      		}
      	else if (thisNav == 'sm') {
			clearTimeout(timeout_siteInternalId);
	  		objStr = 'document.m_' + imgName; obj = eval(objStr);
      		sec_objStr = 'document.m_' + thissection; sec_obj = eval(sec_objStr);      
      		imgRurl = '../subimages/' + imgName + '_nav_over.gif';
      		sec_imgRurl = '../subimages/' + thissection + '_nav.gif';
      		sec_obj.src = sec_imgRurl;
      		obj.src = imgRurl;
      		imgTurl = '../subimages/top_off.jpg';
      		document.roll_text_info.src=imgTurl;   		
      		}
      	else if (thisNav == 'nm') {
			clearTimeout(timeout_siteInternalId);
	  		objStr = 'document.m_' + imgName; obj = eval(objStr); 
      		imgRurl = '../subimages/' + imgName + '_nav_over.gif';
      		obj.src = imgRurl;
      		imgTurl = '../subimages/' + imgName + '_top.jpg';
      		document.roll_text_info.src=imgTurl;   		
      		}				       		
		else if (thisNav == 'r') {
			clearTimeout(timeout_siteInternalId);
	  		objStr = 'document.m_' + imgName; obj = eval(objStr);
      		sec_objStr = 'document.m_' + thissection; sec_obj = eval(sec_objStr);      
      		imgRurl = '../subimages/' + imgName + '_nav_over.gif';
      		sec_imgRurl = '../subimages/' + thissection + '_nav.gif';
      		sec_obj.src = sec_imgRurl;
      		obj.src = imgRurl;
      		imgTurl = 'images/' + imgName + '_roll.gif';
      		document.roller.src=imgTurl;
      		}
	}
}


// Functions for mouseout..
// thisNav is there in case more rollovers are added to a page, that have different funtionality
// imgName == current rollover, thissection == section that user is in
// Created by Daniel Bulli
function off_inav(thisNav, imgName, thissection) {
	var objStr,obj, imgRurl, imgTurl;
	if(document.images) {
		if (thisNav == 'm') {  
	  		objStr = 'document.m_' + imgName;
      		obj = eval(objStr);      
      		imgRurl = '../subimages/' + imgName + '_nav.gif';
      		obj.src = imgRurl;
      		timeout_siteInternalId = setTimeout("reset_NavandRollText(\"" + thissection + "\")",10);  		
      		} 
      	else if (thisNav == 'sm') {  
	  		objStr = 'document.m_' + imgName;
      		obj = eval(objStr);      
      		imgRurl = '../subimages/' + imgName + '_nav.gif';
      		obj.src = imgRurl;
      		timeout_siteInternalId = setTimeout("reset_Nav(\"" + thissection + "\")",10);  		
      		}
      	else if (thisNav == 'nm') {  
	  		objStr = 'document.m_' + imgName;
      		obj = eval(objStr);      
      		imgRurl = '../subimages/' + imgName + '_nav.gif';
      		obj.src = imgRurl;
      		timeout_siteInternalId = setTimeout("reset_RollText()",10);  		
      	}	
		else if (thisNav == 'r') {
	  		objStr = 'document.m_' + imgName;
      		obj = eval(objStr);      
      		imgRurl = '../subimages/' + imgName + '_nav.gif';
      		obj.src = imgRurl;
      		timeout_siteInternalId = setTimeout("reset_roller(\"" + thissection + "\")",10);  		
      		}      	 	   		     
	}
}


// Functions for onmouseover and mouseout.. (sections with subnav)
// thisNav is there in case more rollovers are added to a page, that have different funtionality
// imgName == current rollover, thissection == section that user is in
// Created by Daniel Bulli
function on_i_sub_nav(thisNav, imgName, thissection) {
	var objStr,obj, sec_objStr, sec_obj, imgRurl, sec_imgRurl, imgTurl;
	if(document.images) {
		if (thisNav == 'm') {
			clearTimeout(timeout_siteInternalId);
	  		objStr = 'document.m_' + imgName; obj = eval(objStr);
      		sec_objStr = 'document.m_' + thissection; sec_obj = eval(sec_objStr);      
      		imgRurl = '../subimages/' + imgName + '_nav_over.gif';
      		sec_imgRurl = '../subimages/' + thissection + '_nav_off.gif';
      		sec_obj.src = sec_imgRurl;
      		obj.src = imgRurl;
      		imgTurl = '../subimages/' + imgName + '_top.jpg';
      		document.roll_text_info.src=imgTurl;      		      		
      		}
      	else if (thisNav == 'm_sub') {
			clearTimeout(timeout_siteInternalId);
	  		objStr = 'document.m_' + imgName; obj = eval(objStr);    
      		imgRurl = '../subimages/' + imgName + '_nav_on.gif';
      		obj.src = imgRurl;
      		imgTurl = '../subimages/' + imgName + '_top.jpg';
      		document.roll_text_info.src=imgTurl;      		      		
      		}
      	else if (thisNav == 'm_sub_sec') {
			clearTimeout(timeout_siteInternalId);
	  		objStr = 'document.m_' + imgName; obj = eval(objStr);  
	  		sec_objStr = 'document.m_' + thissection; sec_obj = eval(sec_objStr);     
      		imgRurl = '../subimages/' + imgName + '_nav_on.gif';
      		sec_imgRurl = '../subimages/' + thissection + '_nav.gif';
      		sec_obj.src = sec_imgRurl;
      		obj.src = imgRurl;
      		imgTurl = '../subimages/' + imgName + '_top.jpg';
      		document.roll_text_info.src=imgTurl;      		      		
      		}		
      	else if (thisNav == 'sm') {
			clearTimeout(timeout_siteInternalId);
	  		objStr = 'document.m_' + imgName; obj = eval(objStr);
      		sec_objStr = 'document.m_' + thissection; sec_obj = eval(sec_objStr);      
      		imgRurl = '../subimages/' + imgName + '_nav_over.gif';
      		sec_imgRurl = '../subimages/' + thissection + '_nav_off.gif';
      		sec_obj.src = sec_imgRurl;
      		obj.src = imgRurl;
      		imgTurl = '../subimages/top_off.jpg';
      		document.roll_text_info.src=imgTurl;   		
      		}
      	else if (thisNav == 'nm') {
			clearTimeout(timeout_siteInternalId);
	  		objStr = 'document.m_' + imgName; obj = eval(objStr); 
      		imgRurl = '../subimages/' + imgName + '_nav_over.gif';
      		obj.src = imgRurl;
      		imgTurl = '../subimages/' + imgName + '_top.jpg';
      		document.roll_text_info.src=imgTurl;   		
      		}				       		
	}
}


// Functions for mouseout..  (sections with subnav)
// thisNav is there in case more rollovers are added to a page, that have different funtionality
// imgName == current rollover, thissection == section that user is in
// Created by Daniel Bulli
function off_i_sub_nav(thisNav, imgName, thissection) {
	var objStr,obj, imgRurl, imgTurl;
	if(document.images) {
		if (thisNav == 'm') {  
	  		objStr = 'document.m_' + imgName;
      		obj = eval(objStr);      
      		imgRurl = '../subimages/' + imgName + '_nav.gif';
      		obj.src = imgRurl;
      		timeout_siteInternalId = setTimeout("reset_sub_NavandRollText(\"" + thissection + "\")",10);  		
      		}
      	else if (thisNav == 'm_sub') {  
	  		objStr = 'document.m_' + imgName;
      		obj = eval(objStr);      
      		imgRurl = '../subimages/' + imgName + '_nav_off.gif';
      		obj.src = imgRurl;
      		timeout_siteInternalId = setTimeout("reset_NavandRollText(\"" + thissection + "\")",10);  		
      		}	
      	else if (thisNav == 'sm') {  
	  		objStr = 'document.m_' + imgName;
      		obj = eval(objStr);      
      		imgRurl = '../subimages/' + imgName + '_nav.gif';
      		obj.src = imgRurl;
      		timeout_siteInternalId = setTimeout("reset_sub_Nav(\"" + thissection + "\")",10);  		
      		}
      	else if (thisNav == 'nm') {  
	  		objStr = 'document.m_' + imgName;
      		obj = eval(objStr);      
      		imgRurl = '../subimages/' + imgName + '_nav.gif';
      		obj.src = imgRurl;
      		timeout_siteInternalId = setTimeout("reset_RollText()",10);  		
      	}	
      	 	   		     
	}
}

function swap(srcName, imgName) {
	var objStr,obj, imgRurl, imgTurl;
	if(document.images) {
	  		objStr = 'document.' + srcName;
      		obj = eval(objStr);
      		imgTurl = imgName;
      		obj.src=imgTurl;
	}
}

<!--
function popThrough(popThrough){
	if (!window.opener){
		self.open(popThrough)
	}
	else if (window.opener.closed){
		window.open(popThrough);
		window.close();
	}
	else {
		window.opener.location.href = popThrough; 
		window.close();
	}
}
// -->