function validate(){
		
		var iNode = document.reqst.requesterName; 
		if( iNode.value == '' ) {
			alert('Full name  of requester is required');
			iNode.focus();
			return false; 
		}
		var iNode = document.reqst.nights; 
		if( isNaN(iNode.value) ) {
			alert('Number of nights must be numerical digits' );
			iNode.focus();
			return false; 
		}
		var iNode = document.reqst.adults; 
		if( isNaN(iNode.value) ) {
			alert('Number of adults must be numerical digits' );
			iNode.focus();
			return false; 
		}
		var iNode = document.reqst.children; 
		if( isNaN(iNode.value) ) {
			alert('Number of children must be numerical digits' );
			iNode.focus();
			return false; 
		}
		iNode = document.reqst.email;
		if(  !(iNode.value).match(/.+@.+\..+/)  ) {
			alert('Enter email-valid format required');
			iNode.focus();
			return false; 
		}
		
		
		
		return true; 
	}