/*

DO NOT LINK DIRECTLY TO THIS FILE FROM YOUR WEBSITE CODE!!!!!

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS 
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 
AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY 
WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

*/

/*

function postForm() {

	 
		loadDoc('test.php','startnum='+escape(document.form1.startnum.value),'POST','STR',MAX_WAITING_TIME, function(str) { 

			// str == responseText

			var str="How are you doing today?"

			var stra = str.split('\n');

			// each part of the string array is split by the \n

			for(i=0;i<stra.length;i++) {
				alert(stra[i])
			}
			
		});
		
	 }
*/

var MAX_WAITING_TIME = 60000;

function loadDoc(docname,querystring,methodtype,rType,timer,responseFunc) {

	var MAXIMUM_WAITING_TIME=10000;
	var timeoutId=0;
	var requestTimer=0;

	var xmlhttp;

	/*@cc_on @*/
	/*@if (@_jscript_version >= 5)
		try {
			xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");			
			} catch (E) {
				xmlhttp = false;
			}
		}
	@else
		xmlhttp = false;
	@end @*/
	if (!xmlhttp && typeof XMLHttpRequest!='undefined') {

		try {
		  xmlhttp = new XMLHttpRequest();
		  
		} catch (e) {
		  xmlhttp = false;
		  alert('No XML');
		  
		}

	}

	
	if (timer>0)
	{
		MAXIMUM_WAITING_TIME=timer;
	}

	if ( callInProgress(xmlhttp) ) {
		alert('Please wait, script is still running');
	} else {

     	if (xmlhttp) {

			if (methodtype=="GET")
			{
				xmlhttp.open("GET",docname+'?'+querystring,true);
			}

			if (methodtype=="POST")
			{
				xmlhttp.open("POST",docname,true);
				xmlhttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded');			
				xmlhttp.send(querystring);
			}

						
			requestTimer = setTimeout(function() {
				xmlhttp.abort();
				alert('Script timed out, please try again.');
				}, MAXIMUM_WAITING_TIME);

			
			xmlhttp.onreadystatechange = function() {
				if (xmlhttp.readyState!=4) { 
					return; 
				}
				clearTimeout(requestTimer);				
				var fCall=responseFunc;
				if (typeof responseFunc!="function") 
					fCall = new Function(responseFunc);
				
				if (rType=='STR')
				{
					fCall(xmlhttp.responseText);
				} else if (rType=='XML')
				{
					fCall(xmlhttp.responseXML);
				}
			}

			if (methodtype=="GET")
			{
				xmlhttp.send(null);
			}

			

			
		} else {
			alert('No XML Available');
		}
	
	}

}


function callInProgress(xmlhttp) {
    switch ( xmlhttp.readyState ) {
		case 1, 2, 3:			
            return true;
        break;
        default:			
            return false;
        break;
    }	
}