function resetClass(x) {
	var ID=document.getElementById(x).className='';
}

function changeClass(x) {
	var ID=document.getElementById(x).className='nogo';
}

String.prototype.trim = function() {
	return this.replace(/^\s+|\s+$/g, "");
}

function validate(){
        
	var required;
	var error = 0;

	required = new Array('fname', 'lname', 'reg_title', 'email', 'phone', 'address','unit');
	required.reverse;

	for(var i=0;i<required.length;i++) {

		var obj = required[i];
		//alert(obj);
		resetClass(obj);
		if(document.getElementById(obj).value.trim().length == 0 || document.getElementById(obj).value == null) {
			changeClass(obj);
			error+=1;
		}
	}
	
	if(error == 0) {
		return true;
	} else {
	//	document.getElementById('top').focus();
		//resetClass('error');
		//new Effect.Appear('error', {duration: .5});
		//new Effect.Highlight('error', {delay: .5});
	
		return false;
	}

	return false;	

}