function getDate(strDate) {	  
//		Retourne: 0 si date_1=date_2 | 1 si date_1>date_2 | -1 si date_1<date_2
		day = strDate.substring(0,2);
		month = strDate.substring(3,5);
		year = strDate.substring(6,10);
		d = new Date();
		d.setDate(day);
		d.setMonth(month);
		d.setFullYear(year); 
		return d;  
	}

function compare(date_1, date_2) {
		diff = date_1.getTime()-date_2.getTime();
		return (diff==0?diff:diff/Math.abs(diff));
	}

function activepension() {
		 var dateacomparer = document.getElementById('user_birth').value;
		 if(compare(getDate(dateacomparer),getDate('28/06/2002')==-1)) {
			 document.getElementById('s1_pension').disabled = false;
			 document.getElementById('s2_pension').disabled = false;
			 document.getElementById('s3_pension').disabled = false;
			 document.getElementById('s4_pension').disabled = false;
			 document.getElementById('s5_pension').disabled = false;
			 document.getElementById('s6_pension').disabled = false;
			 document.getElementById('s7_pension').disabled = false;
			 document.getElementById('s8_pension').disabled = false;
			 document.getElementById('s9_pension').disabled = false;
			 document.getElementById('s0_pension').disabled = false;
		 }
		 else {
			 document.getElementById('s1_pension').disabled = true;
			 document.getElementById('s2_pension').disabled = true;
			 document.getElementById('s3_pension').disabled = true;
			 document.getElementById('s4_pension').disabled = true;
			 document.getElementById('s5_pension').disabled = true;
			 document.getElementById('s6_pension').disabled = true;
			 document.getElementById('s7_pension').disabled = true;
			 document.getElementById('s8_pension').disabled = true;
			 document.getElementById('s9_pension').disabled = true;
			 document.getElementById('s0_pension').disabled = true;
		 }
     }