/*---------------------------------------------------------------------------------------------------
Verification des champs
---------------------------------------------------------------------------------------------------*/
function checkField(field){

	var valueToCheck = field.value;
	var checkIt="" + valueToCheck;
	if (checkIt!=""){
		for(var y = 0; y < checkIt.length;y++){
			var char = checkIt.substring(y,y+1);
				if(char != ''){
					return true;
				}
		}
	}
	return false;
}

/*---------------------------------------------------------------------------------------------------
Verification du mail
---------------------------------------------------------------------------------------------------*/
function checkEmail(email){
	with (email)
	{
	apos=value.indexOf("@")
	dotpos=value.lastIndexOf(".")
	if (apos<1||dotpos-apos<2||value.charAt(dotpos+2)==''){
		//alert(value.charAt(dotpos+2));
		return false;
	}
	else {return true}
	}
}

/*---------------------------------------------------------------------------------------------------
Verification des champs du formulaire
---------------------------------------------------------------------------------------------------*/
function checkForm(){
	var error = '';

	if (!checkField(document.getElementById('comment'))) {
		error = 'comment';
	}else{
		changeClass(document.getElementById('comment'),"inputRequired","inputValid");
	}

	if (!checkEmail(document.getElementById('email'))) {

		error = 'email';
	}else{
		changeClass(document.getElementById('email'),"inputRequired","inputValid");
	
	}
	
	if (!checkField(document.getElementById('author'))) {
		error = 'author';
	}else{
		changeClass(document.getElementById('author'),"inputRequired","inputValid");
	}
	
	if (error !=''){
		changeClass(document.getElementById(error),"inputValid","inputRequired");
		return false;
	}else{
		return true;	
	}
	
}

/*---------------------------------------------------------------------------------------------------
changeClass // Change une classe en une autre classe
---------------------------------------------------------------------------------------------------*/
function changeClass(el,startClass,endClass) {
	//alert('el: '+el+', class:'+startClass+', newClass:'+endClass);
	var classNameString = el.className;
	var newClassName = classNameString.replace(startClass,endClass);
	el.className = newClassName;
}

/*---------------------------------------------------------------------------------------------------
Open player
---------------------------------------------------------------------------------------------------*/
function player() {
window.open( "http://www.clubunitymontreal.com/wp-content/themes/Unity/unity_player.htm", "Radio-Unity", "status = 0, height = 250, width = 300, resizable = no" );
}