// ###########################
// created by: Ben Weeks
// Created Date: 24th March 2008
// Company: webtechy.co.uk
//
// Modified By:
// Modified Date:
// Modified Comment:
//
// Modified By:
// Modified Date:
// Modified Comment:
//
// Modified By:
// Modified Date:
// Modified Comment:
//
// Version: 1.0
// ###########################
checkCurrentFontSize();
function ChangeFontSize(iFontSize) {
    try {
		
        if (iFontSize < 2 && iFontSize > 0) {
            document.body.style.fontSize = "0.8em";			
            eraseCookie("FontSizeValue");
            createCookie("FontSizeValue", "1", "30");
        }
        if (iFontSize < 3 && iFontSize > 1) {
            document.body.style.fontSize = "1em";
			
            eraseCookie("FontSizeValue");
            createCookie("FontSizeValue", "2", "30");
        }
        if (iFontSize < 4 && iFontSize > 2) {
            document.body.style.fontSize = "1.2em";
			
            eraseCookie("FontSizeValue");
            createCookie("FontSizeValue", "3", "30");
        }
    }
    catch (er) {
      // alert(er.error);
    }
}
function checkCurrentFontSize() // Checks the cookie to see if we need to resize.
{
    var iFontSize = parseInt(readCookie("FontSizeValue"));
	//alert(iFontSize);
    if (iFontSize > 0 && iFontSize < 4) {
        ChangeFontSize(iFontSize);
    }
}
function createCookie(name, value, days) {
    if (days) {
        var date = new Date();
        date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
        var expires = "; expires=" + date.toGMTString();
    }
    else var expires = "";
    document.cookie = name + "=" + value + expires + "; path=/";
}
function readCookie(name) {
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for (var i = 0; i < ca.length; i++) {
        var c = ca[i];
        while (c.charAt(0) == ' ') c = c.substring(1, c.length);
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
    }
    return null;
}
function eraseCookie(name) {
    createCookie(name, "", -1);
}