var adv=[
		 
'<img src="http://www.giricco.com/images/topimage/200911/200911_12.jpg" alt="giricco top images" width="840" border="0" title="giricco top images">',
'<img src="http://www.giricco.com/images/topimage/200911/200911_13.jpg" alt="giricco top images" width="840" border="0" title="giricco top images">',
'<img src="http://www.giricco.com/images/topimage/200911/200911_14.jpg" alt="giricco top images" width="840" border="0" title="giricco top images">'

];

function randomAdv(lines,listmark) {
	var i;
	var f=0;
	if(listmark==null){ listmark="&raquo; " }
	if(lines == 0){lines=adv.length;}
	for(i=0;i<adv.length;i++){
		if(adv[i]!=''){if(++f>=lines){break;}}
	}
	lines=f;
	for(i=0;i<lines;){
		val=Math.floor(Math.random() * adv.length);
		if (adv[val]!=''){
			document.write(listmark+adv[val]+"<br>");
			adv[val]='';
			i++;
		}
	}
}