function openPopUp(PageName){
	new_window = window.open(PageName,"new_window","width=400,height=400,location=0,menubar=0,resizable=0,scrollbars=1,status=0,titlebar=0,toolbar=0,left=150,top=50,screenx=150,screeny=50"); 
	if (new_window.opener == null) { 
		new_window.opener = self; 
	} 
	new_window.focus();
}
function openSizedPopUp(PageName, Width, Height){
	new_window = window.open(PageName,"new_window","width="+Width+",height="+Height+",location=0,menubar=0,resizable=0,scrollbars=1,status=0,titlebar=0,toolbar=0,left=150,top=50,screenx=150,screeny=50"); 
	if (new_window.opener == null) { 
		new_window.opener = self; 
	} 
	new_window.focus();
}
function bookmark(url, description) 
{ 
    netscape="First push OK and then hit CTRL+D to add a bookmark to this site."; 
    if (navigator.appName=='Microsoft Internet Explorer') 
    { 
        window.external.AddFavorite(url, description); 
    } 
    else if (navigator.appName=='Netscape') 
    { 
        alert(netscape); 
    } 
}

function ltrim(str) { 
	for(var k = 0; k < str.length && isWhitespace(str.charAt(k)); k++);
	return str.substring(k, str.length);
}
function rtrim(str) {
	for(var j=str.length-1; j>=0 && isWhitespace(str.charAt(j)) ; j--) ;
	return str.substring(0,j+1);
}
function trim(str) {
	return ltrim(rtrim(str));
}
function isWhitespace(charToCheck) {
	var whitespaceChars = " \t\n\r\f";
	return (whitespaceChars.indexOf(charToCheck) != -1);
}