function toggle(div_id) {
	var el = document.getElementById(div_id);
	if ( el.style.display == 'none' ) {	el.style.display = 'block';}
	else {el.style.display = 'none';}
}
function blanket_size(popUpDivVar) {
	if (typeof window.innerWidth != 'undefined') {
		viewportheight = window.innerHeight;
	} else {
		viewportheight = document.documentElement.clientHeight;
	}
	if ((viewportheight > document.body.parentNode.scrollHeight) && (viewportheight > document.body.parentNode.clientHeight)) {
		blanket_height = viewportheight;
	} else {
		if (document.body.parentNode.clientHeight > document.body.parentNode.scrollHeight) {
			blanket_height = document.body.parentNode.clientHeight;
		} else {
			blanket_height = document.body.parentNode.scrollHeight;
		}
	}
	var blanket = document.getElementById('blanket');
	blanket.style.height = blanket_height + 'px';
    
	var popUpDiv = document.getElementById(popUpDivVar);
	//popUpDiv_height=blanket_height/2-1200;//575 is popup's full height.  TO CENTRE use half of popup height	
  popUpDiv_height=5;//575 is popup's full height.  TO CENTRE use half of popup height
  popUpDiv.style.top = popUpDiv_height + 'px';
}
function window_pos(popUpDivVar) {
	if (typeof window.innerWidth != 'undefined') {
		viewportwidth = window.innerHeight;
	} else {
		viewportwidth = document.documentElement.clientHeight;
	}
	if ((viewportwidth > document.body.parentNode.scrollWidth) && (viewportwidth > document.body.parentNode.clientWidth)) {
		window_width = viewportwidth;
	} else {
		if (document.body.parentNode.clientWidth > document.body.parentNode.scrollWidth) {
			window_width = document.body.parentNode.clientWidth;
		} else {
			window_width = document.body.parentNode.scrollWidth;
		}
	}
	
  
  var popUpDiv = document.getElementById(popUpDivVar);
	window_width=window_width/2-387;//387 is half popup's width
	popUpDiv.style.left = window_width + 'px';
}
function popup(windowname,gallery) {
	blanket_size(windowname);
	window_pos(windowname);
	toggle('blanket');
	toggle(windowname);  
  if (gallery == "jvfootball")
  {  
      
      var so = new SWFObject("../nd_photogallery/flashGallery.swf", "gallery", "100%", "575", "6", "#FFFFFF");
      so.addVariable("setupfile", "../nd_photogallery/setup-jvfootball.xml"); //location of setup file.
      so.addVariable("scriptpath", "../nd_photogallery/flashGallery.php"); // location of gallery script
      so.addVariable("gallerydir", "../nd_photogallery/images");  // images folder for the gallery to scan
      so.write("flashcontent");
  }
  else if (gallery == "varsityfootball")
  {
                      
      var so = new SWFObject("../nd_photogallery/flashGallery.swf", "gallery", "100%", "575", "6", "#FFFFFF");
      so.addVariable("setupfile", "../nd_photogallery/setup-varsityfootball.xml"); //location of setup file.
      so.addVariable("scriptpath", "../nd_photogallery/flashGallery.php"); // location of gallery script
      so.addVariable("gallerydir", "../nd_photogallery/images");  // images folder for the gallery to scan
      so.write("flashcontent");
                      
  }	
  else if (gallery == "")
  {
                      
      var so = new SWFObject("../nd_photogallery/flashGallery.swf", "gallery", "100%", "575", "6", "#FFFFFF");
      so.addVariable("setupfile", "../nd_photogallery/setup.xml"); //location of setup file.
      so.addVariable("scriptpath", "../nd_photogallery/flashGallery.php"); // location of gallery script
      so.addVariable("gallerydir", "../nd_photogallery/images");  // images folder for the gallery to scan
      so.write("flashcontent");
                      
  }	
  	
}

