/* 
Managing font 
Author: Arun Vishnu 
 
http://arunmvishnu.com/ 
 
*/  
// Set the font sie during page load. Check cookie for stored font size  
function currFontSize(){  
    var crntFnt = $.cookie('userFontSize');
    if(crntFnt != null) {  
        crntFnt = parseFloat(crntFnt, 10);  
        $('body').css('font-size', crntFnt);  
    }  
    return false;  
}  
// normal font  
function normalFont(){  
    var domain = document.domain;  
    $('body').css('font-size', 12);  
    $.cookie('userFontSize', 12, { expires: 7, path: '/', domain: domain });  
    return false;  
}  
// Increase font  
function increaseFont(){  
    var currentFontSize = $('body').css('font-size');  
    var domain = document.domain;  
    var currentFontSizeNum = parseFloat(currentFontSize, 10);  
    var newFontSize = currentFontSizeNum+1;
    if(newFontSize<16){  
        $.cookie('userFontSize', newFontSize, { expires: 7, path: '/', domain: domain });  
        $('body').css('font-size', newFontSize);  
    }  
    return false;  
}  
// Decrease font  
function decreaseFont(){  
    var currentFontSize = $('body').css('font-size');  
    var domain = document.domain;  
    var currentFontSizeNum = parseFloat(currentFontSize, 10);  
    var newFontSize = currentFontSizeNum-1;  
    if(newFontSize>10){
        $.cookie('userFontSize', newFontSize, { expires: 7, path: '/', domain: domain });  
        $('body').css('font-size', newFontSize);  
    }  
    return false;  
}  
// End of Managing font