var webdesign_btn = new Image;
webdesign_btn.src = "/images/layout/webdesign_btn.gif";

var webdesign_btn_over = new Image;
webdesign_btn_over.src = "/images/layout/webdesign_btn_over.gif";

var webdesign_btn_over_p = new Image;
webdesign_btn_over_p.src = "/images/layout/webdesign_btn_over_p.gif";

var webdesign_btn_on = new Image;
webdesign_btn_on.src = "/images/layout/webdesign_btn_on.gif";

var writing_btn = new Image;
writing_btn.src = "/images/layout/writing_btn.gif";

var writing_btn_over = new Image;
writing_btn_over.src = "/images/layout/writing_btn_over.gif";

var writing_btn_over_p = new Image;
writing_btn_over_p.src = "/images/layout/writing_btn_over_p.gif";

var writing_btn_on = new Image;
writing_btn_on.src = "/images/layout/writing_btn_on.gif";

var bio_btn = new Image;
bio_btn.src = "/images/layout/bio_btn.gif";

var bio_btn_over = new Image;
bio_btn_over.src = "/images/layout/bio_btn_over.gif";

var bio_btn_over_p = new Image;
bio_btn_over_p.src = "/images/layout/bio_btn_over_p.gif";

var bio_btn_on = new Image;
bio_btn_on.src = "/images/layout/bio_btn_on.gif";

var contact_btn = new Image;
contact_btn.src = "/images/layout/contact_btn.gif";

var contact_btn_over = new Image;
contact_btn_over.src = "/images/layout/contact_btn_over.gif";

var contact_btn_over_p = new Image;
contact_btn_over_p.src = "/images/layout/contact_btn_over_p.gif";

var contact_btn_on = new Image;
contact_btn_on.src = "/images/layout/contact_btn_on.gif";




function center() {
 
 var width = document.body.clientWidth;
 var height = window.screen.availHeight;
 var centeredX = (width - 760) /2;
 var centeredY = (height - 550) /2;
 
 if(centeredX < 0) {
  centeredX = 15
  }
  
  if(centeredY < 0) {
  centeredY = 15
  }
 
 document.getElementById('container').style.left = centeredX + "px";
 document.getElementById('container').style.top = centeredY + "px";
 
}
 
window.onresize= center;