// JavaScript Document
function stripHTMLTag(text)
{
	text=text.replace(" ","");
	text=text.replace(/(^\s*)|(\s*$)/g, "");    
	text=text.replace(/(^��*)|(��*$)/g, "");    
	text=text.replace(/\n|\r|\t/g,"");
    return text.replace(/<[^>].*?>/g,"");
}

// 展开菜单
function spreadMenu() {
	var menu = jQuery("#spread_menu");

	menu.parents(".spread").children("div:hidden").each(function(i) {
		jQuery(this).toggle("fast");
	});
	
	var div = menu.parent();
	//div.toggle(false);
}

function checkEmail(value) {
	var regexp = /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;

	if (!regexp.test(value)) {
		return false;
	} else {
		return true;
	}
}

// 转义XML字符
function escapeXML(str) {
	var result = str;

	result = result.replace("<", "&lt;");
	result = result.replace(">", "&gt;");
	result = result.replace("&", "&amp;");
	result = result.replace("'", "&apos;");
	result = result.replace("\"", "&quot;");

	return result;
}

// 设置剪切板
function setClipboard(maintext) {
	if (window.clipboardData) {
		return (window.clipboardData.setData("Text", maintext));
	} else {
		if (window.netscape) {
			try {
				netscape.security.PrivilegeManager
						.enablePrivilege("UniversalXPConnect");
				var clip = Components.classes["@mozilla.org/widget/clipboard;1"]
						.createInstance(Components.interfaces.nsIClipboard);
				if (!clip) {
					return;
				}
				var trans = Components.classes["@mozilla.org/widget/transferable;1"]
						.createInstance(Components.interfaces.nsITransferable);
				if (!trans) {
					return;
				}
				trans.addDataFlavor("text/unicode");
				var str = new Object();
				var len = new Object();
				var str = Components.classes["@mozilla.org/supports-string;1"]
						.createInstance(Components.interfaces.nsISupportsString);
				var copytext = maintext;
				str.data = copytext;
				trans.setTransferData("text/unicode", str, copytext.length * 2);
				var clipid = Components.interfaces.nsIClipboard;
				if (!clip) {
					return false;
				}
				clip.setData(trans, null, clipid.kGlobalClipboard);
				return true;
			} catch (e) {
				alert("您的firefox安全限制限制您进行剪贴板操作，请打开'about:config'将signed.applets.codebase_principal_support'设置为true'之后重试，相对路径为firefox根目录/greprefs/all.js");
				return false;
			}
		}
	}
	return false;
}

// 获取剪切板
function getClipboard() {
	if (window.clipboardData) {
		return (window.clipboardData.getData('text'));
	} else {
		if (window.netscape) {
			try {
				netscape.security.PrivilegeManager
						.enablePrivilege("UniversalXPConnect");
				var clip = Components.classes["@mozilla.org/widget/clipboard;1"]
						.createInstance(Components.interfaces.nsIClipboard);
				if (!clip) {
					return;
				}
				var trans = Components.classes["@mozilla.org/widget/transferable;1"]
						.createInstance(Components.interfaces.nsITransferable);
				if (!trans) {
					return;
				}
				trans.addDataFlavor("text/unicode");
				clip.getData(trans, clip.kGlobalClipboard);
				var str = new Object();
				var len = new Object();
				trans.getTransferData("text/unicode", str, len);
			} catch (e) {
				alert("您的firefox安全限制限制您进行剪贴板操作，请打开'about:config'将signed.applets.codebase_principal_support'设置为true'之后重试，相对路径为firefox根目录/greprefs/all.js");
				return null;
			}
			if (str) {
				if (Components.interfaces.nsISupportsWString) {
					str = str.value
							.QueryInterface(Components.interfaces.nsISupportsWString);
				} else {
					if (Components.interfaces.nsISupportsString) {
						str = str.value
								.QueryInterface(Components.interfaces.nsISupportsString);
					} else {
						str = null;
					}
				}
			}
			if (str) {
				return (str.data.substring(0, len.value / 2));
			}
		}
	}
	return null;
}