function top_img()
{
var img1 = new Array();
var img2 = new Array();
var img4 = new Array();
var link1 = new Array();
var link2 = new Array();
var link4 = new Array();
var target="";
var html="";

img1[0]="img/top/keepiteasy_anim.gif";
link1[0]="products/protease/complete/complete-intro/index.html";
//img1[0]="img/top/lc480.jpg";
//link1[0]="products/genomics/lc480/lc480-intro/index.html";
//img2[0]="img/top/fugene_hd.jpg";
//link2[0]="products/transfection/fugene/fugene-intro/index.html";
img2[0]="img/top/upl_pfau.gif";
link2[0]="products/genomics/upl/upl-intro/index.html";
img4[0]="img/top/fugene_hd.jpg";
link4[0]="products/transfection/fugene/fugene-intro/index.html";
//img4[0]="img/top/Fox_Camp.gif";
//link4[0]="news/campaign/index.html#c14";
//img4[0]="img/top/keepiteasy_anim.gif";
//link4[0]="products/protease/complete/complete-intro/index.html";


img1[1]="img/top/keepiteasy_anim.gif";
link1[1]="products/protease/complete/complete-intro/index.html";

//img2[1]="img/top/bana03.gif";
//link2[1]="news/campaign/index.html";
//img1[1]="img/top/phosstop_banner.gif";
//link1[1]="news/campaign/index.html#c01";
img2[1]="img/top/bana100604.gif";
link2[1]="news/campaign/index.html#c20";
//img4[1]="img/top/RNA_50OFF.gif";
//link4[1]="news/campaign/index.html#c13";
img4[1]="img/top/fugene_hd.jpg";
link4[1]="products/transfection/fugene/fugene-intro/index.html";
//img4[1]="img/top/lc480.jpg";
//link4[1]="products/genomics/lc480/lc480-intro/index.html";

target=Math.floor(Math.random() * 2);

html+='';


html+='<td width=\"182\"><a href=\"' + link1[target] + '\"><img src=\"' + img1[target] + '\" width=\"191\" height=\"74\" border=\"0\"></a></td>';
html+='<td width=\"1\" height=\"74\" align=\"left\" valign=\"top\" class=\"backFFFFFF\"><img src=\"img/common/1pix_trans.gif\" width=\"1\" height=\"1\"></td>';
html+='<td width=\"182\" height=\"74\" align=\"right\" valign=\"top\"><a href=\"' + link2[target] + '\"><img src=\"' + img2[target] + '\" width=\"182\" height=\"74\" border=\"0\"></a></td>';
html+='<td width=\"100%\" height=\"74\" align=\"left\" valign=\"top\" class=\"back47A3FE\">';
html+='<table height=\"74\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">';
html+='<tr>';
html+='<td><img src=\"img/top/image_dna.jpg\" border=\"0\"></td>';

if(target == 0){
	html+='<td><a href=\"' + link4[target] + '\" target=\"_blank\"><img src=\"' + img4[target] + '\" width=\"201\" height=\"74\" border=\"0\"></a></td>';
}
else{
	html+='<td><a href=\"' + link4[target] + '\"><img src=\"' + img4[target] + '\" width=\"201\" height=\"74\" border=\"0\"></a></td>';
}
html+='</tr>';
html+='</table>';
html+='</td>';

html+='</tr>';
//alert(html);
document.open();
document.write(html);
document.close();
}