var DOM = document.getElementById ? true : false; //ie6+ & ns6+
var IE = document.all && !DOM ? true : false; //ie5.5 - ie4
var NS = document.layers ? true : false; //ns4
function changeDivContent(objDiv, str){
if (DOM) document.getElementById(objDiv).innerHTML = str
if (IE) document.all(objDiv).innerHTML = str
if (NS){
objDiv = document.layers[objDiv]
objDiv.document.open();
objDiv.document.write(str);
objDiv.document.close();
}
}
function emailCheck(str) {
var at="@"
var dot="."
var lat=str.indexOf(at)
var lstr=str.length
var ldot=str.indexOf(dot)
if (str.indexOf(at)==-1) return true;
if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr) return true;
if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr) return true;
if (str.indexOf(at,(lat+1))!=-1) return true;
if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot) return true;
if (str.indexOf(dot,(lat+2))==-1) return true;
if (str.indexOf(" ")!=-1) return true;
}
function printPage(title, content) {
if (window.print) {
win = title;
win += "
";
win += content;
win.print();
} else {
win = window.open("","","scrollbars=yes,resizable=yes,width=528,height=400,left=0,top=0");
win.document.write("");
win.document.write(""+title+"");
win.document.write("");
win.document.write(title);
win.document.write("
");
win.document.write(content);
win.document.write("");
win.document.write("");
}
}