/* 
Copyright (c) 2007, Rentalia Holidays S.L (www.rentalia.com) - Easy and effective ajax library - Version 1.1 

All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

    * Any changes in source code should be reported to tech at rentalia dot com highlighting the changes and why was done.
    * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
    * Neither the name of the Rentalia Holidays S.L nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

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 OWNER 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.

Created by Ruben Rubio Rey
*/

function execAjax(url,functiontoreturn){
	
	var xmlHttp;
	
	try{
		xmlHttp=new XMLHttpRequest();
	}catch (e){
		try{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}catch (e){
			try{
				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
			}catch (e){
				return false;
			}
		}
	}
	
	xmlHttp.onreadystatechange=function(){
		if(xmlHttp.readyState==4){
			if ( functiontoreturn != "" ) {
				eval(functiontoreturn + "(xmlHttp.responseText)");
			}
		}
	}
	
	if ( url.indexOf("?") != -1 ) {
		var separator = "&";
	}else{
		var separator = "?";
	}

	var forcenocache = separator + "_saeal=" + new Date().getTime();
	xmlHttp.open("GET",url + forcenocache,true);
	xmlHttp.send(null);
	
}