// preload images
var logo_top = new Image();
logo_top.src="images/logo_top.jpg";


var login_img_lo = new Image();
var advertisers_img_lo = new Image();
var contact_img_lo = new Image();
var faq_img_lo = new Image();
var partners_img_lo = new Image();
var publishers_img_lo = new Image();
var signup_img_lo = new Image();
var tutorial_img_lo = new Image();

var analyze_img_lo = new Image();
var control_img_lo = new Image();
var enhance_img_lo = new Image();
var protect_img_lo = new Image();

login_img_lo.src="images/login-lo.jpg";
advertisers_img_lo.src="images/advertisers-lo.jpg";
contact_img_lo.src="images/contact-lo.jpg";
faq_img_lo.src="images/faq-lo.jpg";
partners_img_lo.src="images/partners-lo.jpg";
publishers_img_lo.src="images/publishers-lo.jpg";
signup_img_lo.src="images/signup-lo.jpg";
tutorial_img_lo.src="images/tutorial-lo.jpg";

analyze_img_lo.src="images/analyze-lo.jpg";
control_img_lo.src="images/control-lo.jpg";
enhance_img_lo.src="images/enhance-lo.jpg";
protect_img_lo.src="images/protect-lo.jpg";


var login_img_hi = new Image();
var advertisers_img_hi = new Image();
var contact_img_hi = new Image();
var faq_img_hi = new Image();
var partners_img_hi = new Image();
var publishers_img_hi = new Image();
var signup_img_hi = new Image();
var tutorial_img_hi = new Image();

var analyze_img_hi = new Image();
var control_img_hi = new Image();
var enhance_img_hi = new Image();
var protect_img_hi = new Image();

login_img_hi.src="images/login-hi.jpg";
advertisers_img_hi.src="images/advertisers-hi.jpg";
contact_img_hi.src="images/contact-hi.jpg";
faq_img_hi.src="images/faq-hi.jpg";
partners_img_hi.src="images/partners-hi.jpg";
publishers_img_hi.src="images/publishers-hi.jpg";
signup_img_hi.src="images/signup-hi.jpg";

tutorial_img_hi.src="images/tutorial-hi.jpg";
analyze_img_hi.src="images/analyze-hi.jpg";
control_img_hi.src="images/control-hi.jpg";
enhance_img_hi.src="images/enhance-hi.jpg";
protect_img_hi.src="images/protect-hi.jpg";


var login_img_sel_lo = new Image();
var advertisers_img_sel_lo = new Image();
var contact_img_sel_lo = new Image();
var faq_img_sel_lo = new Image();
var partners_img_sel_lo = new Image();
var publishers_img_sel_lo = new Image();
var signup_img_sel_lo = new Image();
var tutorial_img_sel_lo = new Image();

var analyze_img_sel_lo = new Image();
var control_img_sel_lo = new Image();
var enhance_img_sel_lo = new Image();
var protect_img_sel_lo = new Image();

login_img_sel_lo.src="images/login-sel-lo.jpg";
advertisers_img_sel_lo.src="images/advertisers-sel-lo.jpg";
contact_img_sel_lo.src="images/contact-sel-lo.jpg";
faq_img_sel_lo.src="images/faq-sel-lo.jpg";
partners_img_sel_lo.src="images/partners-sel-lo.jpg";
publishers_img_sel_lo.src="images/publishers-sel-lo.jpg";
signup_img_sel_lo.src="images/signup-sel-lo.jpg";
tutorial_img_sel_lo.src="images/tutorial-sel-lo.jpg";

analyze_img_sel_lo.src="images/analyze-sel-lo.jpg";
control_img_sel_lo.src="images/control-sel-lo.jpg";
enhance_img_sel_lo.src="images/enhance-sel-lo.jpg";
protect_img_sel_lo.src="images/protect-sel-lo.jpg";


var login_img_sel_hi = new Image();
var advertisers_img_sel_hi = new Image();
var contact_img_sel_hi = new Image();
var faq_img_sel_hi = new Image();
var partners_img_sel_hi = new Image();
var publishers_img_sel_hi = new Image();
var signup_img_sel_hi = new Image();
var tutorial_img_sel_hi = new Image();

var analyze_img_sel_hi = new Image();
var control_img_sel_hi = new Image();
var enhance_img_sel_hi = new Image();
var protect_img_sel_hi = new Image();

login_img_sel_hi.src="images/login-sel-hi.jpg";
advertisers_img_sel_hi.src="images/advertisers-sel-hi.jpg";
contact_img_sel_hi.src="images/contact-sel-hi.jpg";
faq_img_sel_hi.src="images/faq-sel-hi.jpg";
partners_img_sel_hi.src="images/partners-sel-hi.jpg";
publishers_img_sel_hi.src="images/publishers-sel-hi.jpg";
signup_img_sel_hi.src="images/signup-sel-hi.jpg";
tutorial_img_sel_hi.src="images/tutorial-sel-hi.jpg";

analyze_img_sel_hi.src="images/analyze-sel-hi.jpg";
control_img_sel_hi.src="images/control-sel-hi.jpg";
enhance_img_sel_hi.src="images/enhance-sel-hi.jpg";
protect_img_sel_hi.src="images/protect-sel-hi.jpg";