自定义alert

aaaaaaaa

aaaaaaaa

aaaaaaaa

aaaaaaaa

aaaaaaaa

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aaaaaaaa

aaaaaaaa

aaaaaaaa

aaaaaaaa

aaaaaaaa

aaaaaaaa

aaaaaaaa

aaaaaaaa

aaaaaaaa

aaaaaaaa

aaaaaaaa

aaaaaaaa

aaaaaaaa

aaaaaaaa

aaaaaaaa

aaaaaaaa

?

?if(!title)title='';
?if(!txt)txt='';
??? var shield = document.createElement("DIV");
??? shield.id = "shield";
??? shield.style.position = "absolute";
??? shield.style.left = "0px";
??? shield.style.top = "0px";
??? shield.style.width = "100%";
??? shield.style.height = availH ;
??? shield.style.background = "#333";
??? shield.style.textAlign = "center";
??? shield.style.zIndex = "10000";
??? shield.style.filter = "alpha(opacity=30)";

??? var alertFram = document.createElement("DIV");
??? alertFram.id="alertFram";
??? alertFram.style.position = "absolute";
??? alertFram.style.left = "50%";
??? alertFram.style.top = "50%";
??? alertFram.style.marginLeft = "-225px";
??? alertFram.style.marginTop = "-75px";
??? alertFram.style.width = "450px";
??? alertFram.style.height = "150px";
??? alertFram.style.background = "#ccc";
??? alertFram.style.textAlign = "center";
??? alertFram.style.lineHeight = "150px";
??? alertFram.style.zIndex = "10001";
??? var strHtml? = "

• \n";
  ??? strHtml += "
• "+title+"\n";
  ??? strHtml += "
• "+txt+"\n";
  ??? strHtml += "
• \n";
  ??? strHtml += "

\n";
??? alertFram.innerHTML = strHtml;
??? document.body.appendChild(alertFram);
??? document.body.appendChild(shield);

??? this.doOk = function(){
??document.getElementById('shield').parentNode.removeChild(document.getElementById('shield'));
??document.getElementById('alertFram').parentNode.removeChild(document.getElementById('alertFram'));
??? }
?document.getElementById('closeButton').focus();
}