function controlsubmit()
		{
		var Date1 = form.datearrivee.value.split("/");
			var Date2 = form.datedepart.value.split("/");
			var datedep = new Date(Date1[2], Number(Date1[1])-1, Date1[0]);
			var dateret = new Date(Date2[2], Number(Date2[1])-1, Date2[0]);
			var ladiff = (dateret - datedep)/1000/60/60/24;
			if(ladiff < 0)
				{
				alert('Intervalle de date incorrecte');
				}
			else
				{
				document.form.submit();
				}
		}
		
		

function swap(p, d)
	{
	var temp = document.getElementById('Im').src;
	document.getElementById('Im').src = p;
	document.getElementById(d).src = temp;
	}
							
									
									
								
	function controlsubmit1()
		{
			var Date1 = form1.datearrivee.value.split("/");
			var Date2 = form1.datedepart.value.split("/");
			var datedep = new Date(Date1[2], Date1[1]-1, Date1[0]);
			var dateret = new Date(Date2[2], Date2[1]-1, Date2[0]);
			var ladiff = (dateret - datedep)/1000/60/60/24;
			if(ladiff <= 0)
				{
				alert('Intervalle de date incorrecte');
				}
			else
				{
				document.form1.submit();
				}
		}