function postwith () {
    var myForm = document.createElement("form");
    myForm.method="post" ;
    myForm.action = "/" ;
    var myInput = document.createElement("input") ;
    myInput.setAttribute("name", "page") ;
    myInput.setAttribute("value", arguments[0]);
    for (var i=1; i<arguments.length; ++i) {
	var attr = arguments[i].split("="); 
	myInput.setAttribute("name", attr[0]);
	myInput.setAttribute("value", attr[1]);
    }
    myForm.appendChild(myInput) ;
    document.body.appendChild(myForm) ;
    myForm.submit() ;
    document.body.removeChild(myForm) ;
}


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