<!--
var l_banner_num = 4 // l_banner_num=numbers of large banners
var s_banner_num = 10 // s_banner_num=numbers of small banners

var l_banner=new Array();
var s_banner=new Array();

function init_item(){	
        this.width = ''
        this.height = ''
        this.src = ''
        this.href = ''
        this.border = ''
        this.alt = ''
        this.under = ''
	this.grade=0
}

function createarray(bannerarray, itemnum) {
	for(var i=0; i<itemnum; i++) { bannerarray[i] = new init_item() }
}

function requestbanner(b_array){
	sum=0;
	for(i=0;i<b_array.length;i++)sum+=b_array[i].grade

	var slump = Math.random();
	var talet = Math.round(slump * (sum-1))+1;

	i=0;
	sum=0;
	while(i<b_array.length && sum<=talet){sum+=b_array[i].grade;i++;}

	b=b_array[i-1];
	visa = '';
	visa += '<a href="'+b.href+'" target="_blank">';
	visa += '<img src="'+b.src+'" height='+b.height;
	visa += ' width='+b.width+' border='+b.border+' alt='+b.alt+'>';
	visa += '</a>';
	document.write(visa);
}

createarray(l_banner,l_banner_num)
createarray(s_banner,s_banner_num)

s_banner[0].src    = "img/banner.gif"
s_banner[0].href   = "http://www.cpswz.com"
s_banner[0].width  = "505"
s_banner[0].height = "75"
s_banner[0].border = "0"
s_banner[0].alt    = "中国安防导航"
s_banner[0].under  = '中国安防导航'
s_banner[0].grade = 6

s_banner[1].src    = "img/add/talle-b.gif"
s_banner[1].href   = "http://www.talle.net"
s_banner[1].width  = "482"
s_banner[1].height = "69"
s_banner[1].border = "0"
s_banner[1].alt    = "鑫鼎立科技-安防设备专业供应商"
s_banner[1].under  = '鑫鼎立科技'
s_banner[1].grade = 6

s_banner[2].src    = "img/smt.gif"
s_banner[2].href   = "http://bbs.cpswz.com/reg.asp"
s_banner[2].width  = "468"
s_banner[2].height = "65"
s_banner[2].border = "0"
s_banner[2].alt    = "会员注册"
s_banner[2].under  = '会员'
s_banner[2].grade = 6

s_banner[3].src    = "img/bananer3.gif"
s_banner[3].href   = "http://www.cpswz.com"
s_banner[3].width  = "500"
s_banner[3].height = "64"
s_banner[3].border = "0"
s_banner[3].alt    = "中国安防导航"
s_banner[3].under  = '中国安防导航'
s_banner[3].grade = 6

s_banner[4].src    = "img/add/talle.gif"
s_banner[4].href   = "http://www.talle.net"
s_banner[4].width  = "482"
s_banner[4].height = "69"
s_banner[4].border = "0"
s_banner[4].alt    = "鑫鼎立科技-安防设备专业供应商"
s_banner[4].under  = '鑫鼎立科技'
s_banner[3].grade = 6

s_banner[5].src    = "img/ban.gif"
s_banner[5].href   = "../log.asp"
s_banner[5].width  = "468"
s_banner[5].height = "60"
s_banner[5].border = "0"
s_banner[5].alt    = "发布网站"
s_banner[5].under  = '发布'
s_banner[5].grade = 6

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);

}
//-->
<!--
requestbanner(s_banner);
//-->
