// JavaScript Document
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_changeProp(objName,x,theProp,theValue) { //v6.0
  var obj = MM_findObj(objName);
  if (obj && (theProp.indexOf("style.")==-1 || obj.style)){
    if (theValue == true || theValue == false)
      eval("obj."+theProp+"="+theValue);
    else eval("obj."+theProp+"='"+theValue+"'");
  }
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function MM_jumpMenuGo(selName,targ,restore){ //v3.0
  var selObj = MM_findObj(selName); if (selObj) MM_jumpMenu(targ,selObj,restore);
}

MM_changeProp('main_img','','style.backgroundImage','url(img/4x41.jpg)','DIV')

function flip(){
  var img = randomImg();
  var obj = MM_findObj('flipimg');
  eval("obj.style.backgroundImage='"+img+"'");
}

function randomImg(){
	var x = Math.floor(Math.random()*7); x.toString; var str1="url(images/img"; var str2=".jpg)";
	return str1.concat(x, str2);
}

function randomImg2(){
	var x = Math.floor(Math.random()*7); x.toString; var str1="'images/img"; var str2=".jpg'";
	return str1.concat(x, str2);
}