function ValidateAllForms() {
    var isEmpty = false;
    var errorMessage = "";
    var errorColor = "#ffbbbb";
    var defaultColor = "#ffffff";

    for ( var int = 0; int < document.forms[0].length; int++) {
		var item = document.forms[0][int];
		
		for ( var obligatoryItemNumber in ObligatoryForms) {
			
			if (item.id == ObligatoryForms[obligatoryItemNumber]) {

		        if (item.value == "") {
		        	item.style.backgroundColor = errorColor;
		            isEmpty = true;
		        } else {
		        	item.style.backgroundColor = defaultColor;
		        }
		        
				break;
			}
		}
	}

    if (isEmpty) {
        errorMessage += "Wypełnij wymagane pola.";
        window.alert(errorMessage);
    } else {
        //submit();
        return true;
    }
    
    return false;
}