function preloadimg(){}
function chimg(){}

var preimages;
preimages=new Array(
"share/img/navi/menu_01_02.gif",
"share/img/navi/menu_02_02.gif",
"share/img/navi/menu_03_02.gif",
"share/img/navi/menu_04_02.gif",
"share/img/navi/menu_05_02.gif"
);


function chimg(filename,target){
	document.images[target].src=filename;
}

function preloadimg(){
	preloadimg=new Array();
	for(i=0; i < preimages.length; i++){
		preloadimg[i]=new Image();
		preloadimg[i].src=preimages[i];
	}
}