exec = 0;
pres = "00";

var topimgsrc= new Array();
var menuimgsrc= new Array();

for (var i=0; i < 3 ; i++) {
topimgsrc[i] = new Image();
menuimgsrc[i] = new Image();
}
topimgsrc[0].src = "imgs/top01.jpg";
topimgsrc[1].src = "imgs/top02.jpg";
topimgsrc[2].src = "imgs/top03.jpg";
menuimgsrc[0].src = "imgs/top01.gif";
menuimgsrc[1].src = "imgs/top02.gif";
menuimgsrc[2].src = "imgs/top03.gif";


function chgimg(n){
		m = eval(n)-1;
		if(exec == 0){
			exec = 1;
			$("#topimg").hide();
			document.topimg.src = topimgsrc[m].src;
			document.menuimg.src = menuimgsrc[m].src;
			$("#topimg").fadeIn("600",
				function(){
					exec = 0;
				});
		}
		url = new Array("business/plan/standard/index.html", "consumer/ikan/index.html", "business/results/eva.html");
		newurl = url[m];
		document.getElementById("mainarea").href = newurl;
		pres = n;
}

function fadein(){
	$("#topimg").hide();
	document.topimg.src = "imgs/top.jpg";
	$("#topimg").fadeIn("normal");
}


function addEvent(func) {
  if (window.addEventListener) {
    window.addEventListener("load", func, false);
  } else if (window.attachEvent) {
    window.attachEvent("onload", func);
  }
}
addEvent(fadein);


function resetimg(){
	if(pres != "00"){
	document.topimg.src = "imgs/top.jpg";
	document.menuimg.src = "imgs/top.gif";
	pres="00"
	}
}


function getMouseX(e){
    if(navigator.userAgent.search(
             "Opera(\ |\/)6") != -1 )   //o6用
        return e.clientX
    else if(document.all)               //e4,e5,e6用
        return document.body.scrollLeft+event.clientX
    else if(document.layers ||
            document.getElementById)    //n4,n6,n7,m1,o7,s1用
        return e.pageX
  }

function getMouseY(e){
    if(navigator.userAgent.search(
             "Opera(\ |\/)6") != -1 )   //o6用
        return e.clientY
    else if(document.all)               //e4,e5,e6用
        return document.documentElement.scrollTop+event.clientY
    else if(document.layers ||
            document.getElementById)    //n4,n6,n7,m1,o7,s1用
        return e.pageY
  }


function mmv(e){
    ypoint = getMouseY(e);
    xpoint = getMouseX(e);
    if(ypoint<172 || ypoint>328){
        resetimg();
    }else{
        if(xpoint>760){
            resetimg();
        }
    }
}

function areacheck(){
document.onmousemove = mmv;
}