{
var re=//[i/](.[^/[]*)/[//i/]/gi;
str=str.replace(re,"i$1/i"); //斜体字
re=//[b/](.[^/[]*)/[//b/]/gi;
str=str.replace(re,"b$1/b"); //粗体字
re=//[u/](.[^/[]*)/[//u/]/gi;
str=str.replace(re,"u$1/u"); //下划线
re=//[color=(.[^/[]*)/](.[^/[]*)/[//color/]/gi;
str=str.replace(re,"font color=$1$2/font"); //字体颜色
re=//[size=([1-7])/](.[^/[]*)/[//size/]/gi;
str=str.replace(re,"font size=$1$2/font"); //字体大小
re=//[face=(.[^/[]*)/](.[^/[]*)/[//face/]/gi;
str=str.replace(re,"font face=$1$2/font"); //字体
re=//[center/](.[^/[]*)/[//center/]/gi;
str=str.replace(re,"div align='center'$1/div"); //居中
re=//[right/](.[^/[]*)/[//right/]/gi;
str=str.replace(re,"div align='right'$1/div"); //右对齐
re=//[quote/](.[^/[]*)/[//quote/]/gi; //引用
str=str.replace(re,"table bgcolor='#E6FFE6' width='90%' style='border:1px #009900 dotted' align='center'trtd class='td1'$1/td/tr/table");
re=//[fly/](.*)/[//fly/]/gi; //飞行
str=str.replace(re,"marquee width=90% behavior=alternate scrollamount=3$1/marquee");
re=//[move/](.*)/[//move/]/gi; //移动
str=str.replace(re,"MARQUEE scrollamount=3$1/marquee");
re=//[SHADOW=*([0-9]*),*(#*[a-z0-9]*),*([0-9]*)/](.[^/[]*)/[//SHADOW]/gi; //阴影
str=str.replace(re,"table width=$1trtd style='filter:shadow(color=$2, strength=$3)'$4/td/tr/table");
re=//[GLOW=*([0-9]*),*(#*[a-z0-9]*),*([0-9]*)/](.[^/[]*)/[//GLOW]/gi; //外发光
str=str.replace(re,"table width=$1 trtd style='filter:glow(color=$2, strength=$3)'$4/td/tr/table")
re=//[URL/](.[^/[]*)/[//URL/]/gi;
str=str.replace(re,"a href='$1' target=_blank$1/a"); //超链接1
re=//[URL=(.[^/[]*)/](.[^/[]*)/[//URL/]/gi;
str=str.replace(re,"a href='$1' target=_blank$2/a"); //超链接2
re=//[EMAIL/]([/w-]+(/.[/w-]+)*@[/w-]+(/.[/w-]+)+)/[//EMAIL/]/gi;
str=str.replace(re,"a href='mailto:$1'$1/a"); //电子邮件链接1
re=//[EMAIL=([/w-]+(/.[/w-]+)*@[/w-]+(/.[/w-]+)+)/](.[^/[]*)/[//EMAIL/]/gi;
str=str.replace(re,"a href='mailto:$1'$4/a"); //电子邮件链接2
re=//[img/](.[^/[]*)/[//img/]/gi;
str=str.replace(re,"a href='$1' target=_blankimg src='$1' border='0' alt='单击在新窗口浏览'/a"); //图片
re=/:em(/d{1,}):/gi;
str=str.replace(re,"img src='emot/$1.gif' border='0'"); //表情图标
return str;
}