function validateCallback(){
	
	var er;
	var max = 4;
	
	var er = new Array();
	var userInputValues = new Array();
	
	for( i = 1; i <= max; i++){
	
	var value = document.getElementById('cb_field_'+i).value;
	
	
	if(value =='First name...' || value == 'Last name...' || value =='Telephone...' || value =='Debt Level...'){
	
			er ='empty';
	
		}else{
	
	
	
		if(value ==''){
		
			er ='empty';
			
		
		}else{
		
			if(i ==3 && isNaN(value)){
		
			er ='invalid';
		
			}else{
		
			userInputValues.push('cb_field_'+i+'||'+value);
		
			}
		
		}
		
	}
		
	}
	
	//check error type
	if(er =='empty'){
	
	
	jQuery.fn.colorbox({open:true, inline:false,innerWidth:300, innderHeight:300,scrolling:false, href:"userEnquiry.php?er=1"});
	
	}else if(er =='invalid'){
	
	jQuery.fn.colorbox({open:true, inline:false,innerWidth:300, innderHeight:300,scrolling:false, href:"userEnquiry.php?er=2"});

	}else{
	
	userInputValues = encodeURI(userInputValues);
	
	jQuery.fn.colorbox({open:true, inline:false,innerWidth:300, innderHeight:300,scrolling:false, href:"userEnquiry.php?er=0&inp="+userInputValues});
	
	}


	return false;
	}