function changeSelectOption(id, option){
								var x = document.getElementById(id);
								var y = x.getElementsByTagName("option");
			
								for (var i=0;i<x.length;i++){ 
			
									if (y[i].value == option){
										y[i].selected=true;
									}
								}
					}
					
					function changeInputCheckBox(id, on){ document.getElementById(id).checked=on; }
					function changeInputText(id, txt){ document.getElementById(id).value=txt; }
					
					function changeElement(id, comp, val){ document.getElementById(id)[comp]=val; }
					
		//****************************************************************************************************************************************************************
		// SPRAWDZAJ POLA FORMULARZA *************************************************************************************************************************************
		//****************************************************************************************************************************************************************
					function checkform(form){
							var x=document.getElementById(form.id);
							var substat = true;
							//var reg_date 		= /^(0?[1-9]|[1|2][0-9]|3[0|1])(0?[1-9]|1[0-2])(1[8|9][0-9]{2}|200[0-6])$/;	//var reg_3numer 		= /^\d{3}$/;
							var require_emial		= /^\w+@\w+(\.\w+)+\.?$/;
							var require_number		= /^\d+$/;
							var require_date_day	= /^(0?[1-9]|[1|2][0-9]|3[0|1])$/;
							var require_date_month	= /^(0?[1-9]|1[0-2])$/;							
							var require_date_year	= /^(19[3-9][0-9]|200[0-9])$/;

							for (var i=0;i<x.length;i++){ e = x.elements[i];

										if (e.className=='require_form' || e.className=='invalid_form')						{ e.className = 'require_form'; 
														if (e.value == "")													{ e.className = 'invalid_form'; substat = false; }
										}
										else if (e.className=='require_emial' || e.className=='invalid_email')				{ e.className = 'require_emial'; 
												if (e.value.match(require_emial)==null)										{ e.className = 'invalid_email'; substat = false; }
										}
										else if (e.className=='require_number' || e.className=='invalid_number')			{ e.className = 'require_number'; 
												if (e.value.match(require_number)==null)									{ e.className = 'invalid_number'; substat = false; }
										}
										else if (e.className=='require_date_day' || e.className=='invalid_date_day')		{ e.className = 'require_date_day'; 
												if (e.value.match(require_date_day)==null)									{ e.className = 'invalid_date_day'; substat = false; }
										}
										else if (e.className=='require_date_month' || e.className=='invalid_date_month')	{ e.className = 'require_date_month'; 
												if (e.value.match(require_date_month)==null)								{ e.className = 'invalid_date_month'; substat = false; }
										}
										else if (e.className=='require_date_year' || e.className=='invalid_date_year')		{ e.className = 'require_date_year'; 
												if (e.value.match(require_date_year)==null)									{ e.className = 'invalid_date_year'; substat = false; }
										}
										else if (e.className=='unconcerned_emial' || e.className=='invalid_unconcerned_emial')		{ e.className = 'unconcerned_emial'; 
												if (e.value.match(require_emial)==null && e.value!="")								{ e.className = 'invalid_unconcerned_emial'; substat = false; }
										}
										else if (e.className=='unconcerned_number' || e.className=='invalid_unconcerned_number')		{ e.className = 'unconcerned_number'; 
												if (e.value.match(require_number)==null && e.value!="")									{ e.className = 'invalid_unconcerned_number'; substat = false; }
										}
										else if (e.className=='unconcerned_date_day' || e.className=='invalid_unconcerned_date_day')		{ e.className = 'unconcerned_date_day'; 
												if (e.value.match(require_date_day)==null && e.value!="")									{ e.className = 'invalid_unconcerned_date_day'; substat = false; }
										}
										else if (e.className=='unconcerned_date_month' || e.className=='invalid_unconcerned_date_month')	{ e.className = 'unconcerned_date_month'; 
												if (e.value.match(require_date_month)==null && e.value!="")									{ e.className = 'invalid_unconcerned_date_month'; substat = false; }
										}
										else if (e.className=='unconcerned_date_year' || e.className=='invalid_unconcerned_date_year')		{ e.className = 'unconcerned_date_year'; 
												if (e.value.match(require_date_year)==null && e.value!="")									{ e.className = 'invalid_unconcerned_date_year'; substat = false; }
										}
							}

							if (substat){return true;}else{return false;}
					}
		//****************************************************************************************************************************************************************
		//****************************************************************************************************************************************************************