function bluring(){ 
if(event.srcElement.tagName=="A"||event.srcElement.tagName=="IMG") document.body.focus(); 
} 
document.onfocusin=bluring; 

var dnimages = new Array;
var urls = new Array;
var buttons = new Array;


	dnimages[0] = 'image/main01.jpg' ;
	urls[0] = '';
	buttons[0] = 'image/n01_01.gif';
	
	dnimages[1] = 'image/main02.jpg' ;
	urls[1] = '';
	buttons[1] = 'image/n02_01.gif';
	
	dnimages[2] = 'image/main03.jpg' ;
	urls[2] = '';
	buttons[2] = 'image/n03_01.gif';
	
	//dnimages[3] = 'http://www.ehle.ac.jp/renew/jls/images/ehle_banner_gokusai.jpg' ;
	//urls[3] = '';
	//buttons[3] = 'http://www.imungu.com/web/upload/n04_01.gif';
	
	//dnimages[4] = 'http://www.ehle.ac.jp/renew/jls/images/ehle_banner_baito.jpg' ;
	//urls[4] = '';
	//buttons[4] = 'http://www.imungu.com/web/upload/n05_01.gif';
	
	//dnimages[5] = 'images/1-151.jpg' ;
	//urls[5] = '';
	//buttons[5] = 'images/n06_01.gif';
	
//	dnimages[6] = 'images/1-149.jpg' ;
//	urls[6] = '';
	//buttons[6] = 'images/n07_01.gif';
	
//	dnimages[7] = 'images/1-156.jpg' ;
//	urls[7] = '';
	//buttons[7] = 'images/n08_01.gif';
	
//	dnimages[8] = 'images/1-157.jpg' ;
//	urls[8] = '';
	//buttons[8] = 'images/n09_01.gif';
	

var cliImg = '';
var cliImgSrc = '';
var n = Math.round(Math.random() * 3);
var interval = 5000;
var setTimeId = '';

function blursStop() {
	clearTimeout(setTimeId);
}

function blursStart() {
	blurs();
}

function chki(ci, no) {
	var pImg = document.all.RollImg;
	var pUrl = document.all.RollUrl;

	if(cliImg == '') {
		cliImg = ci;
		cliImgSrc = ci.src;
	ci.src = buttons[no];
		n=no;
		pImg.src = dnimages[no];
		pUrl.href = urls[no];		
	} else if(cliImg != ci) {
		cliImg.src = cliImgSrc;
		cliImg = ci;
		cliImgSrc = ci.src;
		ci.src = buttons[no];
		n=no;
		pImg.src = dnimages[no];
		pUrl.href = urls[no];		
	}
}

function blurs() {
	n = (n >= 2) ? 0 : n+1;
	setimgurl();
	setTimeId=setTimeout("blurs()",interval);
}

function setimgurl() {
	var ci = eval('document.all.num_img'+n);

	document.all.RollImg.filters.blendTrans.apply();
	document.all.RollUrl.href=urls[n];
	document.all.RollImg.src=dnimages[n];
	document.all.RollImg.filters.blendTrans.play();
	
	if(cliImg == '') {
		cliImg = ci;
		cliImgSrc = ci.src;
		ci.src = buttons[n];
	} else if(cliImg != ci) {
		cliImg.src = cliImgSrc;
		cliImg = ci;
		cliImgSrc = ci.src;
		ci.src = buttons[n];
	}
}