MyDesktop:)桌面式代码_javascript技巧

function loadframefrominput(url)
{
var tmpstr;
tmpstr = url.value;
try{
if(tmpstr==""||tmpstr=="http://"||tmpstr=="https://"||tmpstr=="ftp://")
mainone.innerHTML = "Please enter URL.";
else if(tmpstr.indexOf("http://")>=0||tmpstr.indexOf("https://")>=0||tmpstr.indexOf("ftp://")>=0)
mainone.innerHTML = "";
else
mainone.innerHTML = "Please enter a valid URL.";
}catch(err)
{
mainone.innerHTML = err.description;
}
}

function contain(str,charset)
{
var i;
for(i=0;iif(str.indexOf(charset.charAt(i))>=0)
return true;
return false;
}

function clearframe()
{
mainone.innerHTML = "";
}