(function(){
	var bUrl = 'http://blog-imgs-19.fc2.com/b/a/b/babyxxbitch/';
	var imgs = [
		{name:'crem_edited_dark.jpg',pos:'50% 50%'},
		{name:'crac2_edited_600x450.jpg',pos:'50% 50%'},
		{name:'sui7_edited.jpg',pos:'100% 100%'},
		{name:'sym_street-20_edited_800x600.jpg',pos:'50% 50%'}
	];
	var total = -1;
	for(var i in imgs) total++;
	var n = Math.round(Math.random()*total);
	if(n != 0 && n != total){
		n = Math.round(Math.random()*total);
	}
	document.body.style.backgroundImage = 'url(' + bUrl + imgs[n].name + ')';
	document.body.style.backgroundPosition = imgs[n].pos;
	
	return;
	
	
	
	
	//�����e�X�g
	var nums = [];
	nums[0] = [];
	nums[1] = [];
	nums[2] = [];
	nums[3] = [];
		
	var max = 1000000;
	for(var i=0; i<max; i++){
		var n = Math.round(Math.random()*total);
		if(n != 0 && n != total){
			n = Math.round(Math.random()*total);
		}
		nums[n].push(n);
	}
	WScript.echo(
		+ nums[0].length + ' : ' + Math.round(nums[0].length/max*100) + '%\n'
		+ nums[1].length + ' : ' + Math.round(nums[1].length/max*100) + '%\n'
		+ nums[2].length + ' : ' + Math.round(nums[2].length/max*100) + '%\n'
		+ nums[3].length + ' : ' + Math.round(nums[3].length/max*100) + '%\n'
	);

	return;


})();