/**
 * DHTML email validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */

function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){		   
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){

		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    return false
		 }

 		 return true					
	}
	
function isChecked(form, name){
		var elements = form.elements;
		for (i = 0; i < elements.length; i++){
				var element = elements[i];
				if ((element.name == name) && (element.checked))
					return true;
		}
		return false;
}

function initAJAX(){
	try{// Firefox, Opera 8.0+, Safari
    	return new XMLHttpRequest();
    }
  catch (e){
    try{// Internet Explorer
      return new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e){
      try{
        return new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e){
        alert("Your browser does not support AJAX!");
        return false;
      }
     }
    }
  }
  
  
 function checkSearchFieldIn(){
	if (document.searchform.text.value == 'Saisissez un mot clé')
		document.searchform.text.value = '';
}

function checkSearchFieldOut(){
	if (document.searchform.text.value == '')
		document.searchform.text.value = 'Saisissez un mot clé';
}

function recherche(){
	var query = document.searchform.q.value;
	if ((query.length == 0) || (query == 'Saisissez un mot clé')){
			alert("Veuillez saisir un texte à chercher");
			document.searchform.q.focus();
			return;
	}
	
	document.searchform.submit();
}
function newsletter(){
	var form = document.nlform;
	if (!echeck(form.p_mail.value)){
		alert("Veuillez saisir un e-mail valide");
		form.p_mail.focus();
		return;
	}
	form.action = 'nl1.php';
	form.submit();
}

function checkNLFieldIn(){
	if (document.nlform.p_mail.value == 'Saissisez votre email')
		document.nlform.p_mail.value = '';
}

function checkNLFieldOut(){
	if (document.nlform.p_mail.value == '')
		document.nlform.p_mail.value = 'Saissisez votre email';
}

function changeto(highlightcolor){
  obj=event.srcElement
  if (obj.tagName=="TR" || obj.tagName=="TABLE") return
  while(obj.tagName!="TD") obj=obj.parentElement
  if (obj.style.backgroundColor!=highlightcolor && obj.id!="ignore")
    obj.style.backgroundColor=highlightcolor
  }


function changeback(originalcolor){
  if (event.fromElement.contains(event.toElement) || obj.contains(event.toElement) || obj.id=="ignore")
      return
  if (event.toElement!=obj) obj.style.backgroundColor=originalcolor
  }
  
  
 function mySetHomePage(){
	 this.style.behavior='url(#default#homepage)';
	 this.setHomePage('http://www.alphablondy.info');
 }
 
 function changeVille(){
	 window.location = '/concertv.php?v=' + document.townform.jumpMenu.options[document.townform.jumpMenu.selectedIndex].value;
 }
 
 	function ecrisGuestBook(){
		var form = document.gbookform;
		if (form.nom.value.length == 0){
			alert("Entrez votre nom");
			form.nom.focus();
			return;
		}
		if (!echeck(form.gmail.value)){
			alert("Entrez un e-mail valide");
			form.gmail.focus();
			return;
		}
		
		if (form.titre.value.length == 0){
			alert("Entrez le titre");
			form.titre.focus();
			return;
		}
		if (form.texte.value.length == 0){
			alert("Entrez votre message");
			form.texte.focus();
			return;
		}
		form.action = "guests.php";
		form.submit();
	}