var focus_width=270;
 var focus_height=154;
 var text_height=25;
 var swf_height = focus_height+text_height;
 var pics = '';
 var links = '';
 var texts = '';
function isW(s) {
    var patrn=/^(\w){0,1}$/;
    if (!patrn.exec(s)){ 
    return false;}
    return true;
}

function substr(str) {
    var sub = 18;
    var len = str.length;    
    if (len>sub) {
        var str1 = str;
        var str2 = "";
        var i = 0;
        var n = 0;
        while ( (str2.length<sub) && (sub<18) ) {
            i++;
            var aa = str1.substring(0,1);
            if ( isW(aa) ) {
                if (n % 2 == 0) ;
                    sub++;
                n++;
            }
            str1 = str1.substring(1);
            str2 = str2 + aa;
        }
        if (len>sub) {
            return str.substring(0,(sub-2))+"...";
        }
        else {
            return str;
        }
    }
    else {
        return str;
    }
}
 function ati(url, img, title)
 {
    if(pics != '')
    {  pics = "|" + pics;
        links = "|" + links;
        texts = "|" + texts;
    }
    pics = escape(img) + pics;
    links = escape(url) + links;
    texts = title + texts;   
 }
   
 function fnChange(i){
	var addr=document.getElementById("type"+i).options[document.getElementById("type"+i).selectedIndex].value
    if (addr =="-1") return;
    else
    window.open(addr)
    }
function Login()
{
	if(document.getElementById("txtcontent").value==""){	
   		 return false;
    }
    return true;
}