function run_download(){
	var ajaxRequest;  
	
	try{

		ajaxRequest = new XMLHttpRequest();
	} catch (e){

		try{
			ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){

				alert("An error has occured...");
				return false;
			}
		}
	}

	ajaxRequest.onreadystatechange = function(){
		if(ajaxRequest.readyState == 4){
			var ajaxDisplay = document.getElementById('dl-div');
			ajaxDisplay.innerHTML = ajaxRequest.responseText;
		}
	}
	var url = document.getElementById('downloadurl').value;
	var song = document.getElementById('downloadsong').value;
	var downloadcode = document.getElementById('downloadcode').value;
	var dlurl = document.getElementById('dlurl').value;
	var queryString = "?url=" + url + "&code=" + downloadcode + "&song=" + song + "&dlurl=" + dlurl;
	ajaxRequest.open("GET", "download_confirm.php" + queryString, true);
	ajaxRequest.send(null); 
}