function ShowModelScreen(url){  //弹出模式窗口，大小根据客户端屏幕大小调整    
    var arg="dialogHeight:"+(screen.height-20)+"px;dialogWidth:"+(screen.width-60)+"px;center:yes;resizable:yes;help:no;scroll:yes;unadorned:no";
    window.showModalDialog(url,'',arg);
}

function ShowModel(url,strWidth,strHeight,strScroll){  //指定大小和滚动条    
    var arg="dialogHeight:"+strHeight+"px;dialogWidth:"+strWidth+"px;center:yes;resizable:yes;help:no;scroll:"+strScroll+";unadorned:no";
    window.showModalDialog(url,'',arg);
}

function ShowModeless(url){       //弹出非模式窗口，大小根据客户端屏幕大小调整
	var arg="dialogHeight:"+(screen.height-20)+"px;dialogWidth:"+(screen.width-60)+"px;center:yes;resizable:yes;help:no;scroll:yes;unadorned:no";
	window.showModelessDialog(url,'',arg);         
}

function ShowModeless(url,strWidth,strHeight,strScroll){  //指定大小和滚动条    
    var arg="dialogHeight:"+strHeight+"px;dialogWidth:"+strWidth+"px;center:yes;resizable:yes;help:no;scroll:"+strScroll+";unadorned:no";
    window.showModelessDialog(url,'',arg);
}


function ShowModel(url) {  //弹出模式窗口，大小根据客户端屏幕大小调整    
    var arg = "dialogHeight:800px;dialogWidth:820px;center:yes;resizable:yes;help:no;scroll:yes;unadorned:no";
    window.showModalDialog(url, '', arg);
}