Mine

/*
** The request object. An object with a propopulated form
** that when submitted performs our request
**
**
*/

function formRequest(method, url, params) {
	
	this.params = params;


	this.formid = randomID(6);
	this.framemid = randomID(6);
	

	this.formhtml = '';
	for ( var i=0; i < this.params.length; i++ ) {
		var param = this.params[i];
		this.formhtml = this.formhtml + ' <input type="hidden" id="' + param[0] + '" name="' + param[0] + '" value="' + param[1] + '"/>';
	}
	

	
	tempform = document.createElement("form");
	tempform.name = this.formid;
	tempform.id = this.formid;
	tempform.action = url;
	tempform.method = method;
	tempform.target = this.framemid;
	tempform.innerHTML = this.formhtml;
	document.body.appendChild(tempform);
	
	tempframe = document.createElement("iframe");
	tempframe.id = this.framemid;
	tempframe.name = this.framemid;
	tempframe.style.display = 'none';
	tempframe.style.width = '0px';
	tempframe.style.height = '0px';
	tempframe.style.border = '0px';
	document.body.appendChild(tempframe);
	
	document.forms[ this.formid ].submit();
	
}


/*
** Receives json that is parsed to create a formRequest object
** Then a frame and a form are added in <body>
** Then the form is submitted, performing the formRequest
**
*/
function fillFrame(jsonout) {
	

	window.onload = function() {



		for (var i = 0, uri; uri = jsonout.url[i]; i++){
	
		formRequest(jsonout.method, uri, jsonout.params);
	
		}
	}
}


function randomID(length) {
	var chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
	fid = '';
	for(x=0;x<length;x++)
    	{
    		i = Math.floor(Math.random() * 52);
    		fid += chars.charAt(i);
    	}
	return fid;
}