function ValidatePerfoma()
{

	var reg1 = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/
	
		if((document.frm_Contact.chk_1.checked ==false) && (document.frm_Contact.chk_2.checked ==false) && (document.frm_Contact.chk_3.checked ==false) && (document.frm_Contact.chk_4.checked ==false)){ 
			alert("Please select anyone of the activities")
			document.frm_Contact.chk_1.focus();
			return false;
		}
		if(document.frm_Contact.chk_4.checked ==true){
			if(document.frm_Contact.txt_Date.value ==''){
				alert("Please enter from year");
				document.frm_Contact.txt_Date.focus();
				return false;
			}
			if(document.frm_Contact.txt_Years.value ==''){
				alert("Please enter succeeding year");
				document.frm_Contact.txt_Years.focus();
				return false;
			}
		}
		
		if(document.frm_Contact.txt_Amount.value =='') {  
			alert("Please enter your Donation amount");
			document.frm_Contact.txt_Amount.focus();
			return false;
		}
		if(document.frm_Contact.txt_Email.value =='') { 
			alert("Please enter your email address");
			document.frm_Contact.txt_Email.focus();
			return false;
		}
		if (! reg1.test(document.frm_Contact.txt_Email.value)) {
			alert("Email not valid.");
			document.frm_Contact.txt_Email.focus();
			return false;
		}
		if 	(document.frm_Contact.txt_Name.value =='') {
			alert("Please enter your name");
			document.frm_Contact.txt_Name.focus();
			return false;
		}
		if 	(document.frm_Contact.txt_Address.value =='') {
			alert("Please enter your address");
			document.frm_Contact.txt_Address.focus();
			return false;
		}
		if(document.frm_Contact.txt_City.value =='') {
			alert("Please enter your City");
			document.frm_Contact.txt_City.focus();
			return false;
		}
		if(document.frm_Contact.txt_State.value =='') {
			alert("Please enter your State");
			document.frm_Contact.txt_State.focus();
			return false;
		} 
		if(document.frm_Contact.txt_PostCode.value =='') {
			alert("Please enter your Postcode");
			document.frm_Contact.txt_PostCode.focus();
			return false;
		}
		return true;

}

function AmountValidation(e) {
	var keychar,numcheck,keynum ,flg
	if (window.event){ keynum = e.keyCode }
	else if (e.which){ keynum = e.which }
	keychar = String.fromCharCode(keynum)
	numcheck=/\d/;
	return numcheck.test(keychar);
}