function dropdown(mySel)
{
	var myWin, myVal;
	myVal = mySel.options[mySel.selectedIndex].value;
	if(myVal)
   	{
   		if(mySel.form.target)myWin = parent[mySel.form.target];
   		else myWin = window;
   		if (! myWin) return true;
   		myWin.location = myVal;
   	}
	return false;
}

function banner(region, img) {
	var pic = new Array("hk", "bj", "sh", "gz") ;
	var index = Math.floor(Math.random()*4) ;
	document.getElementById(img).src="url('grafix/globalfooter_dottedline.gif)" ;

	while(pic[index]==region)
	{
		index = Math.floor(Math.random()*4) ;
		document.getElementById(img).src="url(grafix/globalfooter_dottedline.gif)" ;		
	}
}