function submit_confirm(str) {
	if (str == undefined) {
		str = "你确定？";
	}

	var value = confirm(str);
	if (value == true) {
		return true;
	} else {
		return false;
	}
} 


function openWindow(url,w,h){

/*
var pos=(document.layers)? ',screenX='+x+',screenY='+y: ',left='+x+',top='+y;
tb=(tb)?'yes':'no';
stb=(stb)?'yes':'no';
l=(l)?'yes':'no';
mb=(mb)?'yes':'no';
sb=(sb)?'yes':'no';
rs=(rs)?'yes':'no';
var txt='';
txt+='scrollbars='+sb;
txt+=',width='+w;
txt+=',height='+h;
txt+=',toolbar='+tb;
txt+=',status='+stb;
txt+=',menubar='+mb;
txt+=',links='+l;
txt+=',resizable='+rs;
*/
leftVal = (screen.width-w)/2;
topVal = (screen.height-h)/2;

var x=window.open(url,'BlackBand','width='+w+',height='+h+',left='+leftVal+',top='+topVal+',toolbar=no,directories=no,status=no,menubar=no,copyhistory=no,scrollbars=yes,resizable=yes'); 

x.focus();
}