var edid = "";
var fs = null;
function easydate(el) {
	if (document.getElementById) {
		edid = el;
		if (document.all) {
			cst = document.body.scrollTop;
			st = self.screenTop;
			sl = self.screenLeft;
			ol = document.getElementById(el).offsetLeft+2;
			ot = document.getElementById(el).offsetTop+3;
			oh = document.getElementById(el).offsetHeight;
			x = sl+ol;
			y = st+ot+oh-cst;
			fs = window.open("/includes/calendar.htm","Calendar","width=161,height=155,top="+y+",left="+x);
			fs.focus();
		} else {
			cst = self.pageYOffset;
			sl=self.screenX; st=self.screenY+(self.outerHeight-self.innerHeight);
			ol = document.getElementById(el).offsetLeft+2+4;
			ot = document.getElementById(el).offsetTop+3-20;
			oh = document.getElementById(el).offsetHeight;
			x = sl+ol;
			y = st+ot+oh-cst;
			fs = window.open("/includes/calendar.htm","Calendar","dependable=yes,width=155,height=145,top="+y+",left="+x);
		}
	} else {
		alert("Please enter a date (format DD/MM/YYYY)");
	}
}
function closeit() {
	if (fs) fs.close();
}
document.onmousedown = closeit;

function checkdate(obj) {
	v=obj.value;
	v2=v;
	if (v2.length>=5) {
		v2=v2.replace(" ","/",v2); v2=v2.replace(" ","/",v2);
		v2=v2.replace("-","/",v2); v2=v2.replace("-","/",v2);
		e=v2.split("/");
		if (e.length==3) {
			d=e[0]*1+""; if (d.length==1) d="0"+d;
			m=e[1]*1+""; if (m.length==1) m="0"+m;
			y=e[2]*1+""; if (y.length==1) y="0"+y;
			if (y.length==2) y="20"+y;
			obj.value=d+"/"+m+"/"+y;
		}
	}
	v=obj.value;

	if (v!="") {
		thisyear=new Date().getYear();
		score=0;token=v.split("/");
		if (token.length==3) {
			d=token[0];m=token[1];y=token[2];
			if (d*1>=1 && d*1<=31 && d.length==2) score++;
			if (m*1>=1 && m*1<=12 && m.length==2) score++;
			if (y.length==4) score++;
			if (y<thisyear-10) {
				alert("Gelieve dit formaat te gebruiken: DD/MM/JJJJ");
				obj.value=""; obj.focus();
			} else {
				if (score!=3) { alert("Gelieve dit formaat te gebruiken: DD/MM/JJJJ"); obj.value=""; obj.focus(); }
			}
		} else {
			if (score!=3) { alert("Gelieve dit formaat te gebruiken: DD/MM/JJJJ"); obj.value=""; obj.focus(); }
		}
	}
}