function dimension(){var offseta =  document.body.offsetWidth;if(offseta > "290"){ document.body.resize;}}function sch(alpha) {  var id = document.getElementById("imago");  var offset =  document.body.offsetWidth;  pixelNumber = event.screenX;           if (alpha > "980")     {      id.style.left = "6px";     }      else      {     id.style.left = "0px";     } }