// JavaScript Document
//is_valid_form_mentor.js


function is_valid(field,image){
	
	if(field.name == "s_first_name")
			{
					if(field.value == ""){		
						image.src = "images/test/invalid.png";
						
						document.validity=false;
						return false;
					}
					else {		
						image.src = "images/test/valid.png";	
						document.validity=true;
						return true;
					}	
			}

			if(field.name == "s_last_name")
			{
					if(field.value == ""){		
						image.src = "images/test/invalid.png";
						
						document.validity=false;
						return false;
					}
					else {		
						image.src = "images/test/valid.png";	
						document.validity=true;
						return true;
					}	
			}
			if(field.name == "s_email_address"){
				if(field.value == ""){		
						image.src = "images/test/invalid.png";
						
						document.validity=false;
						return false;
					}	
				var p=field.value.indexOf('@');
				
          		if (p<1 || p>=(field.value.length-3)) {
		  			image.src = "images/test/invalid.png";
					document.validity = false;
		  
		  		}else{		
					image.src = "images/test/valid.png";
					document.validity = true;
				}	
			}
			
			if(field.name == "s_phone_number")
			{
					if(field.value == ""){		
						image.src = "images/test/invalid.png";
						
						document.validity=false;
						return false;
					}
					else {		
						image.src = "images/test/valid.png";	
						document.validity=true;
						return true;
					}	
			}


			
	
	
}