// JavaScript Document


function newImage(arg) {
   if (document.images) {
      rslt = new Image();
      rslt.src = arg;
      return rslt;
   }
}

function changeImages() {
   if (document.images && (preloadFlag == true)) {
      for (var i=0; i<changeImages.arguments.length; i+=2) {
         document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
      }
   }
}

var preloadFlag = false;
function preloadImages() {
   if (document.images) {
      m1_o = newImage("/img/m1_o.gif");
      m2_o = newImage("/img/m2_o.gif");
	  m3_o = newImage("/img/m3_o.gif"); 
	  m4_o = newImage("/img/m4_o.gif"); 
	  m5_o = newImage("/img/m5_o.gif"); 
	  m6_o = newImage("/img/m6_o.gif"); 
	  m7_o = newImage("/img/m7_o.gif"); 
	  m8_o = newImage("/img/m8_o.gif"); 
       preloadFlag = true;
   }
}