/**********************************************************************************
     * Author: David Millar (www.rTraction.com)                                       *
     * Date: December. 18, 2006                                                       *
     * Purpose: Provide functionality to switch text size on the fly                  *
     * Requires: cookies.js                                                           *
     *                                                                                *
     **********************************************************************************
     * Revision 1.1: print functionality                                              *
     **********************************************************************************
     * Revision 1.0: create a script that checks for a cookie and adjusts font size   *
     *               if the cookie is detected                                        *
     **********************************************************************************/
 
    if(self.opener && window.name == "printPreview")
    {
        // We were opened by a previous page (print preview)
        var win_style = window.document.createElement('link');
        win_style.href = "/styles/print.css";
        win_style.rel = "stylesheet";
        win_style.type = "text/css";
        win_style.media = "screen";
        window.document.getElementsByTagName('head')[0].appendChild(win_style);
        window.focus();
    }
    
    function winBuild()
    {
        // open a new window
        newWin = window.open(window.document.location.toString(),'printPreview','');
    }
 
    // Check for a cookie, if found, increase text size
    var textSizeCookie = getCookie("text-size");
	if( textSizeCookie )
	{
	    // append style sheet to increase text size
        var fontsize_style = window.document.createElement('link');
        fontsize_style.href = "/styles/largeFont.css";
        fontsize_style.rel = "stylesheet";
        fontsize_style.type = "text/css";
        fontsize_style.media = "all";
        window.document.getElementsByTagName('head')[0].appendChild(fontsize_style);
	}
	
	function switchFontSize()
	{
	    var textSizeCookie = getCookie("text-size");
	    if( textSizeCookie )
	    {
	        // delete cookie
	        deleteCookie("text-size", "/");
	    }
	    else
	    {
	        // create cookie
	        var myDate = new Date();
	        myDate.setFullYear( myDate.getFullYear + 1 );
	        setCookie("text-size", "text size increase", myDate.getUTCDate(), "/" );
	    }
	    
	    // Reload page
	    if( window.document.location.toString().indexOf("#") == -1 )
	    {
	        document.location = window.document.location.toString();
	    }
	    else
	    {
	        document.location = window.document.location.toString().substring(0,window.document.location.toString().length-1);
	    }
	}