var url;	
	function check_email(email, url){
		if (window.XMLHttpRequest){ // Mozilla, Safari, ... 
			http_request = new XMLHttpRequest();
		}
        else if (window.ActiveXObject){ // IE
			http_request = new ActiveXObject("Microsoft.XMLHTTP");
		}
        //Pass order and order id to ajaxorder.php
        url += "ajax/check_email.ajax.php?user=user&email="+email;
        //document.write(url);
        //exit;
		try{
			http_request.open('GET',url,true)
		} 
		catch(err){
        	alert(err.toString());
        }
		http_request.onreadystatechange = handleResponseEmail;     	
		try{
			http_request.send(null);		
		}
		catch(err){
        	alert(err.toString());
        }
   }
   function handleResponseEmail(){//function to
     if(http_request.readyState != 4 ){
			var innerdivHTML= '<table width="150" border="0" cellpadding="0" cellspacing="0">';
            innerdivHTML+= '<tr><td align="left" valign="top"><img src="../theme/images/working.gif"></td></tr>';
            innerdivHTML+= '</table>';
			document.getElementById("detail1").innerHTML= innerdivHTML;
            showDivVis("detail1");
		}
   		if (http_request.readyState == 4){//response received
			var xmldoc = http_request.responseXML;
      		
            if(xmldoc.getElementsByTagName("RECORD1")[0].hasChildNodes()){
				var title = xmldoc.getElementsByTagName("RECORD1")[0].firstChild.data;
            }
			else
				var title= "";
				hideDiv("detail1");
                var innerdivHTML= '<table width="150" border="0" cellpadding="0" cellspacing="0">';
                  if(title=="Available"){
				  	span = '<span class="small_txt_green" >';
				    document.getElementById("email_flag").value=0;					
				  }
				  else{
					span = '<span class="small_txt_red" >';
				    document.getElementById("email_flag").value=1;
				   }
                    innerdivHTML +='<tr><td align="left" valign="top">'+span+title+'</td></tr></span></span>';
                    innerdivHTML +='</table>';
                    document.getElementById("detail1").innerHTML= innerdivHTML;
                    showDivVis("detail1");
    	}
    }