// 显示无模式对话框
function DialogPop(url, width, height) {	
totalx = screen.availWidth-8;
totaly = screen.availHeight;
totaly = screen.availHeight-20;
x = totalx/2-width/2;
y = totaly/2-height/2;
window.open(url, "","toolbar=0,location=0,status=0,menubar=0,scrollbars=1,resizable=1,height="+height+",width="+width+",top="+y+",left="+x+"");
}