// récupère les variables de recherche dans le formulaire et les envoie au serveur avec un httpXMLRequest
function sendVariablesAchat (sel) 
{
	
	var typeBien = document.getElementById('typeBien');
    var nbrPieces = document.getElementById('nbrPieces');
	var localisation_achat = document.getElementById('localisation_achat');
	var surface = document.getElementById('surface');
	var criteresPlus = document.getElementById('criteresPlus');
	var ref = document.getElementById('reference_achat');
	var prix = document.getElementById('fourchette_prix');

	
	// A priori aucun champ n'est obligatoire donc pas de validation a faire
  	
   
	showProgressionAchat(); // load bar

	
	// convert (&, +, =) to string equivs. Needed so URL encoded POST won't choke.
	var str1 = typeBien.value;
	str1 = str1.replace(/&/g,"**am**");
	str1 = str1.replace(/=/g,"**eq**");
	str1 = str1.replace(/\+/g,"**pl**");
	var str2 = nbrPieces.value;
	str2 = str2.replace(/&/g,"**am**");
	str2 = str2.replace(/=/g,"**eq**");
	str2 = str2.replace(/\+/g,"**pl**");
    var str3 = localisation_achat.value;
	str3 = str3.replace(/&/g,"**am**");
	str3 = str3.replace(/=/g,"**eq**");
	str3 = str3.replace(/\+/g,"**pl**");
	str3 = no_accent(str3); 
	var str4 = surface.value;
	str4 = str4.replace(/&/g,"**am**");
	str4 = str4.replace(/=/g,"**eq**");
	str4 = str4.replace(/\+/g,"**pl**");
    var str5 = criteresPlus.value;
	str5 = str5.replace(/&/g,"**am**");
	str5 = str5.replace(/=/g,"**eq**");
	str5 = str5.replace(/\+/g,"**pl**");
	var str6 = ref.value;
	str6 = str6.replace(/&/g,"**am**");
	str6 = str6.replace(/=/g,"**eq**");
	str6 = str6.replace(/\+/g,"**pl**");
	var str7 = prix.value;
	str7 = str7.replace(/&/g,"**am**");
	str7 = str7.replace(/=/g,"**eq**");
	str7 = str7.replace(/\+/g,"**pl**");

	
	var page = "scripts/xmlHttpRequest_achat.php";
	var variables = "typeBien="+str1+"&nbrPieces="+str2+"&localisation="+str3+"&surface="+str4+"&criteresPlus="+str5+"&ref="+str6+"&prix="+str7+"&sel="+sel;

	loadXMLPosDocAchat(page,variables);
	
}


function showProgressionAchat () 
{
	var loader = document.getElementById('loadBarAchat');
	var frmEl = document.getElementById('cFormAchat');
	
	$("#loadBarAchat").fadeIn(200);
	//showResultatsAchat();
}



function ajaxRechercheAchat() 
{
	var frmEl = document.getElementById('cFormAchat');
	addEvent(frmEl, 'submit', sendVariablesAchat, false);
	frmEl.onsubmit = function() { return false; }
}


addEvent(window, 'load', ajaxRechercheAchat, false);



// Remplace toutes les occurences d'une chaine
function no_accent(my_string) {
var new_string = String (my_string);
new_string = new_string.replace(RegExp("(\u0040|&#x40|@|@|@|\u0061|&#x61|a|\u00C0|&#xC0|À|À|À|\u00C1|&#xC1|Á|Á|Á|\u00C2|&#xC2|Â|Â|Â|\u00C3|&#xC3|Ã|Ã|Ã|\u00C4|&#xC4|Ä|Ä|Ä|\u00C5|&#xC5|Å|Å|Å|\u00E0|&#xE0|à|à|à|\u00E1|&#xE1|á|á|á|\u00E2|&#xE2|â|â|â|\u00E3|&#xE3|ã|ã|ã|\u00E4|&#xE4|ä|ä|ä|\u00E5|&#xE5|å|å|å)","gi"),'a');
new_string = new_string.replace(RegExp("(\u00C7|&#xC7|Ç|Ç|Ç|\u00E7|&#xE7|ç|ç|ç)","gi"),'c');
new_string = new_string.replace(RegExp("(\u00D0|&#xD0|Ð|Ð|Ð)","gi"),'d');
new_string = new_string.replace(RegExp("(\u0065|e|e|\u00C8|È|È|È|È|\u00C9|É|É|É|É|\u00CA|Ê|Ê|Ê|Ê|\u00CB|Ë|Ë|Ë|Ë|\u00E8|è|è|è|è|\u00E9|é|é|é|é|\u00EA|ê|ê|ê|ê|\u00EB|ë|ë|ë|ë)","gi"),'e');
new_string = new_string.replace(RegExp("(\u0069|&#x69|i|\u00CC|&#xCC|Ì|Ì|Ì|\u00CD|&#xCD|Í|Í|Í|\u00CE|&#xCE|Î|Î|Î|\u00CF|&#xCF|Ï|Ï|Ï|\u00EC|&#xEC|ì|ì|ì|\u00ED|&#xED|í|í|í|\u00EE|&#xEE|î|î|î|\u00EF|&#xEF|ï|ï|ï)","gi"),'i');
new_string = new_string.replace(RegExp("(\u006E|&#x6E|n|\u00D1|&#xD1|Ñ|Ñ|Ñ|\u00F1|&#xF1|ñ|ñ|ñ)","gi"),'n');
new_string = new_string.replace(RegExp("(\u006F|&#x6F|o|\u00D2|&#xD2|Ò|Ò|Ò|\u00D3|&#xD3|Ó|Ó|Ó|\u00D4|&#xD4|Ô|Ô|Ô|\u00D5|&#xD5|Õ|Õ|Õ|\u00D6|&#xD6|Ö|Ö|Ö|\u00F2|&#xF2|ò|ò|ò|\u00F3|&#xF3|ó|ó|ó|\u00F4|&#xF4|ô|ô|ô|\u00F5|&#xF5|õ|õ|õ|\u00F6|&#xF6|ö|ö|ö|\u00F8|&#xF8|ø|ø|ø)","gi"),'o');
new_string = new_string.replace(RegExp("(\u0075|&#x75|u|\u00D9|&#xD9|Ù|Ù|Ù|\u00DA|&#xDA|Ú|Ú|Ú|\u00DB|&#xDB|Û|Û|Û|\u00DC|&#xDC|Ü|Ü|Ü|\u00F9|&#xF9|ù|ù|ù|\u00FA|&#xFA|ú|ú|ú|\u00FB|&#xFB|û|û|û|\u00FC|&#xFC|ü|ü|ü)","gi"),'u');
new_string = new_string.replace(RegExp("(\u0079|&#x79|y|\u00DD|&#xDD|Ý|Ý|Ý|\u00FD|&#xFD|ý|ý|ý|\u00FF|&#xFF|ÿ|ÿ|ÿ)","gi"),'y');
new_string = new_string.replace(RegExp("(\u00C6|&#xC6|Æ|Æ|Æ|\u00E6|&#xE6|æ|æ|æ)","gi"),'ae');
new_string = new_string.replace(RegExp("(\u008C|&#x8C|Œ|Œ|Œ|\u009C|&#x9C|œ|œ|œ)","gi"),'oe');
return new_string;
}