function CA() {
		if (document.forms[0].elements['wcheckbox0'].checked==true) {
			document.forms[0].elements['wcheckbox1'].checked=true;
			document.forms[0].elements['wcheckbox2'].checked=true;
			document.forms[0].elements['wcheckbox3'].checked=true;
			document.forms[0].elements['wcheckbox4'].checked=true;
			document.forms[0].elements['wcheckbox5'].checked=true;
			document.forms[0].elements['wcheckbox6'].checked=true;
			document.forms[0].elements['wcheckbox7'].checked=true;
			document.forms[0].elements['wcheckbox8'].checked=true;
			document.forms[0].elements['wcheckbox9'].checked=true;
		} else {
			document.forms[0].elements['wcheckbox1'].checked=false;
			document.forms[0].elements['wcheckbox2'].checked=false;
			document.forms[0].elements['wcheckbox3'].checked=false;
			document.forms[0].elements['wcheckbox4'].checked=false;
			document.forms[0].elements['wcheckbox5'].checked=false;
			document.forms[0].elements['wcheckbox6'].checked=false;
			document.forms[0].elements['wcheckbox7'].checked=false;
			document.forms[0].elements['wcheckbox8'].checked=false;
			document.forms[0].elements['wcheckbox9'].checked=false;
		}
	}
	
	function CCA(n) {
		if (document.forms[0].elements['wcheckbox'+n].checked==false)
			document.forms[0].elements['wcheckbox0'].checked=false;
	}
	
	function validate() {
	
		if (document.forms[0].txtEmail.value!=document.forms[0].txtEmail2.value) {
			alert("The two emails do not match");
			return false;
		}
		
		valid2 = false;
		if (document.forms[0].tcheckbox1.checked)
			valid2 = true;
		if (document.forms[0].tcheckbox2.checked)
			valid2 = true;
		if (document.forms[0].tcheckbox3.checked)
			valid2 = true;
		if (document.forms[0].tcheckbox4.checked)
			valid2 = true;
		if (document.forms[0].tcheckbox5.checked)
			valid2 = true;

		if (!valid2) {
			alert("Please select a time during which you are available.");
			return false;
		}
		
		valid3 = false;
		for (var i=0; i < document.forms[0].tradio1.length; i++) {
			if (document.forms[0].tradio1[i].checked) {
				valid3 = true;	
			}		
		}
		if (!valid3) {
			alert("Please select the time period you are willing to volunteer for");
			return false;
		}
		
		return true;
		
		
		
	}