// Get base url
url = document.location.href;
xend = url.lastIndexOf("/") + 1;
var base_url = url.substring(0, xend);

function ajax_do (url) {
        // Does URL begin with http?
        if (url.substring(0, 4) != 'http') {
                url = base_url + url;
        }

        // Create new JS element
        var jsel = document.createElement('SCRIPT');
        jsel.type = 'text/javascript';
        jsel.src = url;

        // Append JS element (therefore executing the 'AJAX' call)
        document.body.appendChild (jsel);
}

function ajax_get (url, el) {
        // Has element been passed as object or id-string?
        if (typeof(el) == 'string') {
                el = document.getElementById(el);
        }

        // Valid el?
        if (el == null) { return false; }

        // Does URL begin with http?
        if (url.substring(0, 4) != 'http') {
                url = base_url + url;
        }

        // Create getfile URL
        getfile_url = base_url + 'AL_GetFile.php?url=' + escape(url) + '&el=' + escape(el.id);

        // Do Ajax
        ajax_do (getfile_url);

        return true;
}

function submit_form() {
		// Get form values
		var term1 = document.getElementById('term1').value;
		var term2;  
		var term3; 
		
		if ( term1 == "*" ){
			url = 'AL_Manager.php?z=1';
		}else{
			url = 'AL_Manager.php?z=1&term1=' + escape(term1); 
		}
		
		
		   for (x=0; x<document.form1.term2.length; x++){
		      if (document.form1.term2[x].checked == true){
		         term2 = document.form1.term2[x].value;
		         
		      }
		   }
		   url = url + '&term2=' + escape(term2); 
		
		   
	   if ( document.getElementById('term3') ){
		   for (x=0; x<document.form1.term3.length; x++){
		      if (document.form1.term3[x].checked == true){
		         term3 = document.term3.model[x].value;
		         
		      }
		   }
			url = url + '&term3=' + escape(term3);
	   }
		 
		
		ajax_get (url, 'AL_Content');

}