//AJAX call with prototype

function ajax_loadContent(where, url){
	new Ajax.Request(url,
		{
			method:'get',
			onSuccess: function(req){
				document.getElementById(where).innerHTML = req.responseText;
			},
			onFailure: function(){
				document.getElementById(where).innerHTML = "<p style='text-align:center;'>Error while loading ajax response</p>";
			}
		}
	);
}
function ajax_addContent(where, url){
	new Ajax.Request(url,
		{
			method:'get',
			onSuccess: function(req){
				document.getElementById(where).innerHTML = req.responseText
			}
		}
	);
}

//validate form

function MM_validateForm() { //v4.0
  if (document.getElementById){
    var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
    for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=document.getElementById(args[i]);
      if (val) { nm=val.name; if ((val=val.value)!="") {
        if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
          if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
        } else if (test!='R') { num = parseFloat(val);
          if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
          if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
            min=test.substring(8,p); max=test.substring(p+1);
            if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
      } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
    } if (errors) alert('The following error(s) occurred:\n'+errors);
    document.MM_returnValue = (errors == '');
} }


var ourInterval;
var origColor = "#F3F9F1";
var overColor = "#36FF00";
var scrollSpeed = 50;
var scrollHeight = 10;

function scrollStart(direction, divID){
	ourInterval = setInterval("scroll"+direction+"('"+divID+"')", scrollSpeed);
}
function scrollEnd(){
	clearInterval(ourInterval);
}
function scrollUp(which){
	document.getElementById(which).scrollTop = document.getElementById(which).scrollTop - scrollHeight;
}
function scrollDown(which){
	document.getElementById(which).scrollTop = document.getElementById(which).scrollTop + scrollHeight;
}