function GetJSObject(object_name,mode)
{
	if(document.all)
		{
		if(mode == "div") { object = document.all(object_name).style; } else { object = document.all(object_name); }
		}
	else if(document.getElementById) { object = document.getElementById(object_name); }
	return object;
}

function ComparePwdFields(object_name)
{
	err = '';
	pre = '<font face=\'Verdana\' size=1 color=';
	object1 = GetJSObject(object_name);
	object2 = GetJSObject(object_name + '_check');
	object3 = GetJSObject(object_name + '_info');

	if(object1.value.length < 6)
	{
		err = "Trop court (6 car. minimum)";
		object1.value='';
		object2.value='';
		object1.focus();
	}
	else if(isNaN(object1.value) == false)
	{
		err = "Trop simple, utilisez chifres et lettres";
		object1.value='';
		object2.value='';
		object1.focus();
	}
	else if(object1.value == 'azerty')
	{
		err = "Trop évident. essayez encore";
		object1.value='';
		object2.value='';
		object1.focus();
	}
	else if(object1.value != object2.value)
	{
		err = "Les deux saisies ne correspondent pas";
		object2.value='';
		object2.focus();
	}

		if(err)
		{
			OnErrorField(object1.name);
			OnErrorField(object2.name);
			if(document.donut_form.donut_submit) { document.donut_form.donut_submit.disabled=true; }
			object3.innerHTML= pre + 'red><img src=\'/admin/images/warning.gif\' align=middle><b> ' + err + '</b></font>';
			return false;
		}
		else
		{
			OKField(object1.name);
			OKField(object2.name);
			object3.innerHTML= pre + 'green><img src=\'/admin/images/ok.gif\' align=middle><b>Mot de passe accepté</b></font>';
			if(document.donut_form.donut_submit) { document.donut_form.donut_submit.disabled=false; }
		}
	}
function EnlightObject(object,what)
{
	if(what == 'on')
	{
		object.style.borderColor = '#FF0000';
		object.style.borderTopStyle = 'solid';
		object.style.borderLeftStyle = 'solid';
		object.style.borderWidth = 'medium';
	}
	else
	{
		object.style.borderColor = '#FFFFFF';
		object.style.borderTopStyle = 'groove';
		object.style.borderLeftStyle = 'groove';
		object.style.borderWidth = 'thin';
	}
}
function OnErrorField(field_name)
{
	object = GetJSObject(field_name);
	object.style.borderLeftColor = '#FF0000';
	object.style.borderLeftWidth = '6px';
	object.style.borderLeftStyle = 'solid';
}
function OKField(field_name)
{
	object = GetJSObject(field_name);
	object.style.borderLeftColor = '#000000';
	object.style.borderLeftWidth = 'thin';
	object.style.borderLeftStyle = 'groove';
}
function CheckFieldContent(field_name,field_label,type,enlight)
{
	fieldstatus = false;
	object = GetJSObject(field_name);

	if(type == 'email')			{ fieldstatus = CheckEmailAddress(object.value); }
	else if(type == 'date')		{ fieldstatus = CheckDate(object.value); }
	else if(type == 'hour')		{ fieldstatus = CheckHour(object.value); }
	else if(type == 'digits')	{ fieldstatus = CheckDigits(object.value); }
	else if(object.value != '')	{ fieldstatus = true; }

	if(fieldstatus == false)
	{
		if(enlight == true) { OnErrorField(field_name); }
		object.value='';
		alert('Valeur incorrecte pour le champ \'' + field_label + '\'');
		return false;
	}
	else
	{
		if(enlight == true) { OKField(field_name); }
		return true;
	}
}
function CheckEmailAddress(address)
{
	if(address.length > 0)
	{
		var global_length = address.length;
		if(global_length < 7) return false;// min size for an e-mail
		var nb1 = address.indexOf("@");
		var nb2 = address.lastIndexOf("@");
		if((nb1 != nb2)||(nb1 == '-1')) return false; // only one @ in an email
		var adr_temp = address.substring(nb1+1,global_length);
		var nbdot = adr_temp.lastIndexOf(".");
		// e-mail struct elem1@elem2.elem3
		var elem1 = address.substring(0,nb1);
		var elem2 = adr_temp.substring(0,nbdot);
		var elem3 = adr_temp.substring(nbdot+1,global_length);
		//length and space tests
		if((elem1.length==0)||(elem1.indexOf(" ")!=-1)) return false;
		if((elem2.length<2)||(elem2.indexOf(" ")!=-1)) return false;
		if((elem3.length<2)||(elem3.length>4)||(elem3.indexOf(" ")!=-1)) return false;
		return true;
	}
}
function CheckDate(date,country)
	{
	if(date.length > 0)
		{
		// verified the data's writing
		if (!date.match(/^\d{1,2}[\/]\d{1,2}[\/]\d{4}$/)) return false; // a date must be x/x/xxxx or xx/xx/xxxx
		// verified the data's coherence
		var global_length = date.length;
		var nbr1 = date.indexOf("/"); // place of the first "/"
		var elem_1 = date.substring(0,nbr1);// elem_1 is the day
		var temp_date = date.substring(nbr1+1,global_length);
		var nbr2 = temp_date.indexOf("/"); // place of the second "/"
		var elem_2 = temp_date.substring(0,nbr2); // elem_2 is the months
		if (country == "US")
			{
			if (elem_1 > 12) return false;
			if (elem_2 > 31) return false;
			return true;
			}
		if (elem_1 > 31) return false;
		if (elem_2 > 12) return false;
		return true;
		}
	return true;
	}
function CheckHour(hour)
	{
	if(hour.length > 0)
		{
		// first check the date structure
		if (!hour.match(/^\d{1,2}[\h]\d{1,2}$/)) return false; // a time must be xx:xx or x:x
		// verified the data's coherence
		elem = hour.split('h');
		if (elem[0]>24) return false;
		if (elem[1]>59) return false;
		return true;
		}
	return true;
	}
function CheckDigits(digits)
	{
	if(isNaN(digits) == true) { return false; } else { return true; }
	}