function validateForm()
{
	var error = 0;
	

			if(""==document.forms.contact.property.value) { 
				show("error_property");
				error = 1;
			} else {
				hide("error_property");
			}
			if(""==document.forms.contact.month1.value) { 
				show("error_month1");
				error = 1;
			} else {
				hide("error_month1");
			}
			if(""==document.forms.contact.day1.value) { 
				show("error_day1");
				error = 1;
			} else {
				hide("error_day1");
			}
			if(""==document.forms.contact.time11.value) { 
				show("error_time11");
				error = 1;
			} else {
				hide("error_time11");
			}
			if(""==document.forms.contact.time12.value) { 
				show("error_time12");
				error = 1;
			} else {
				hide("error_time12");
			}
			if(""==document.forms.contact.full_name.value) { 
				show("error_full_name");
				error = 1;
			} else {
				hide("error_full_name");
			}
			if(""==document.forms.contact.phone.value) { 
				show("error_phone");
				error = 1;
			} else {
				hide("error_phone");
			}
			if(""==document.forms.contact.work_needed.value) { 
				show("error_work_needed");
				error = 1;
			} else {
				hide("error_work_needed");
			}
	
	if(error == 1) {
		return false;
	}
}