function more_win(topic_name, more_id) {
	  
	  s_url= 'z_topic_more.asp?topic='+topic_name+'&more_id='+more_id;
	  x = window.open(s_url,'','width=300, height=300, scrollbars=Yes');
	}

	function vjs_vod(id)
	{
		var url_link;
        browser_name = navigator.appName;
        browser_version = parseFloat(navigator.appVersion);

		if (id !='')
		{
	        if (browser_name == "Microsoft Internet Explorer" && browser_version <= 4) {
		    	  url_link='video_select.asp?career_id='+id;
	             newwin = window.open(url_link,"video",'resizable=yes,scrollbars=yes,width=550,height=550,status=no,location=no,toolbar=no,menubar=no');
                //vodWin=window.open('url_link','vod','status=no,location=no,toolbar=no,menubar=no,resizable=no,scrollbars=no,width=400,height=450')
			}
			else if (browser_name == "Netscape" && browser_version <= 4.01) {
   				 	  url_link='video_select.asp?career_id='+id;
			        newwin = window.open(url_link,"video",'resizable=yes,scrollbars=yes,width=550,height=550,status=no,location=no,toolbar=no,menubar=no');
			        if (browser_version >= 3.0) {
			                newwin.focus(); 
			        }
			        newwin.refer = self;
			}
			else {
 		   	    url_link='video_select.asp?career_id='+id;
		        newwin = window.open(url_link,"video",'resizable=yes,scrollbars=yes,width=550,height=550,status=no,location=no,toolbar=no,menubar=no');
			        //newwin.opener=window;
			        newwin.focus();
			}
		}
	}


	function vod_preview(id)
	{
		var url_link;
        browser_name = navigator.appName;
        browser_version = parseFloat(navigator.appVersion);

		if (id !='')
		{
	        if (browser_name == "Microsoft Internet Explorer" && browser_version <= 4) {
		    	  url_link='video_select_preview.asp?career_id='+id;
	             newwin = window.open(url_link,"video",'resizable=yes,scrollbars=yes,width=550,height=550,status=no,location=no,toolbar=no,menubar=no');
                //vodWin=window.open('url_link','vod','status=no,location=no,toolbar=no,menubar=no,resizable=no,scrollbars=no,width=400,height=450')
			}
			else if (browser_name == "Netscape" && browser_version <= 4.01) {
   				 	  url_link='video_select_preview.asp?career_id='+id;
			        newwin = window.open(url_link,"video",'resizable=yes,scrollbars=yes,width=550,height=550,status=no,location=no,toolbar=no,menubar=no');
			        if (browser_version >= 3.0) {
			                newwin.focus(); 
			        }
			        newwin.refer = self;
			}
			else {
 		   	    url_link='video_select_preview.asp?career_id='+id;
		        newwin = window.open(url_link,"video",'resizable=yes,scrollbars=yes,width=550,height=550,status=no,location=no,toolbar=no,menubar=no');
			        //newwin.opener=window;
			        newwin.focus();
			}
		}
	}

	function voqa(id,qa_id)
	{
		var url_link;
        browser_name = navigator.appName;
        browser_version = parseFloat(navigator.appVersion);

		if (id !='')
		{
	        if (browser_name == "Microsoft Internet Explorer" && browser_version <= 4) {
		    	  url_link='video_qa.asp?career_id='+id+'&qa_id='+qa_id;
	             newwin = window.open(url_link,"video_qa",'resizable=yes,scrollbars=yes,width=550,height=550,status=no,location=no,toolbar=no,menubar=no');
                //vodWin=window.open('url_link','vod','status=no,location=no,toolbar=no,menubar=no,resizable=no,scrollbars=no,width=400,height=450')
			}
			else if (browser_name == "Netscape" && browser_version <= 4.01) {
   		 	 	    url_link='video_qa.asp?career_id='+id+'&qa_id='+qa_id;
			        newwin = window.open(url_link,"video_qa",'resizable=yes,scrollbars=yes,width=550,height=550,status=no,location=no,toolbar=no,menubar=no');
			        if (browser_version >= 3.0) {
			                newwin.focus(); 
			        }
			        newwin.refer = self;
			}
			else {
 		   	    url_link='video_qa.asp?career_id='+id+'&qa_id='+qa_id;
		        newwin = window.open(url_link,"video_qa",'resizable=yes,scrollbars=yes,width=550,height=550,status=no,location=no,toolbar=no,menubar=no');
			        //newwin.opener=window;
			        newwin.focus();
			}
		}
	}


	function makeHttpRequest(url, callback_function, return_xml) {
		var http_request = false;
		var bFF = FireFoxDetect();
		if (!bFF) { // IE 
			try {
				http_request = new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e) {
				try {
					http_request = new ActiveXObject("Microsoft.XMLHTTP");
				} catch (e) {
					try {
						http_request = new XMLHttpRequest();
					} catch (e) { }
				}
			}
		}
		else 
		{ // Mozilla, Safari,... 
			http_request = new XMLHttpRequest();
			//http_request = new ActiveXObject("Msxml2.XMLHTTP"); 
			if (http_request.overrideMimeType) {
				http_request.overrideMimeType('text/xml');
			}
		}

		if (!http_request) {
			alert('Unfortunatelly you browser doesn\'t support this feature.');
			return false;
		}
		http_request.onreadystatechange = function() {
			if (http_request.readyState == 4) {
				if (http_request.status == 200) {
					if (return_xml) {
						eval(callback_function + '(http_request.responseXML)');
					} else {
						eval(callback_function + '(http_request.responseText)');
					}
				} else {
					//alert('There was a problem with the request.(Code: ' + http_request.status + ')'); 
				}
			}
		}
		http_request.open('GET', url, true);
		http_request.send(null);
	}


	function FireFoxDetect() {

		if (/Firefox[\/\s](\d+\.\d+)/.test(navigator.userAgent)) { //test for Firefox/x.x or Firefox x.x (ignoring remaining digits);
			var ffversion = new Number(RegExp.$1) // capture x.x portion and store as a number
			if (ffversion >= 3)
				return true;
			else if (ffversion >= 2)
				return true;
			else if (ffversion >= 1)
				return true;
		}
		else
			return false;
	}