function random_link(){
var storelink=new Array()
storelink[1]= "michaellu1"
storelink[2]= "qk444"
storelink[3]= "lin67701"
storelink[4]= "a120316670"
storelink[5]= "usa5917"
storelink[6]= "home.real"
storelink[7]= "leeom0"
storelink[8]= "v001020002000"
storelink[9]= "house168tw"
storelink[10]="r121373325"
storelink[11]="a22870888"
storelink[12]="house88168"

var number=new Array();
var flag=true;
var show=4;

var flag=true;
while (flag)
{
	flag=false;
	for (i=1;i<=show;i++) 
	{
		number[i]=Math.floor(Math.random()*(storelink.length-1))+1
		if (number[0]==0) 
		{
			flag=true;
			break;
		}
	}
	for (i=1;i<=show;i++)
	{
		for (j=1;j<i;j++)
		{
			if (number[j]==number[i])
			{
				flag=true;
				break;
			}
		}
	}
}

var j=1
for (j=1;j<=show;j++)
{
document.write('<tr>')
document.write('<td><a href="http://hibid.hinet.net/store/'+storelink[number[j]]+'"><img src="images/estatemap_store_'+number[j]+'.gif"></a></td>')
document.write('</tr>')
}

}
random_link()