function wwonsubmit() {
	if (document.fmMain==null
		|| document.fmMain.newwindow==null
		|| document.fmMain.url==null
		|| document.fmMain.forcegzip==null
		|| document.fmMain.strip==null
		|| document.fmMain.target==null) return true;
	if (msieversion()<4 && netscapeversion()<4) return true;
	var url= document.fmMain.url.value;
	var p= url.length;
	while (p>0 && ' \f\n\r\t\v'.indexOf(url.charAt(p-1))!=-1) p--;
	url= url.substring(0,p);
	if (url=='') return false;
	p= 0;
	while (p<url.length && (
		(url.charAt(p)>'A' && url.charAt(p)<'Z')
		|| (url.charAt(p)>'a' && url.charAt(p)<'z')
		|| (url.charAt(p)>'0' && url.charAt(p)<'9')
		|| url.charAt(p)=='_')) p++;
	if (url.substring(p)=="://") return false;
	
	document.fmMain.target= "_self";
	if (document.fmMain.newwindow.checked) {
		document.fmMain.target= "_blank";
	}
	return true;
}