function focusInput(i, v, b) {
                i.style.color = "#000000";
                i.style.background = "#FFFFFF";
                if(b == 1 && i.value == v) {
					i.selectionEnd = 0;
					i.style.color = "#999999";
                } else if(b == 0 && (i.value == v || i.value == "")) {
                    i.value = v;
                    i.style.color = "#444444";
                    i.style.background = "transparent url(/images/bg/form_field_bg.png) repeat";
                }
            }
			
			function clearInput(i, v) {
				if(i.value == v) {
					i.value = "";
					i.style.color = "#000000";
				}
			}

			function validateForm(f_array) {
				var valid = 0;
				for(var i = 0; i < f_array.length; i++) {
					var input_name = document.getElementById(f_array[i][0]);
					if(input_name.value == "" || input_name.value == f_array[i][1]) {
						valid--;
					}
				}
                
                var input_submit = document.getElementById('send-btn');
                if(valid == 0){
                    input_submit.disabled = false;
                    input_submit.style.color = "#FFFFFF";
                    input_submit.style.background = "transparent url(/images/bg/btn_bg.gif) bottom left repeat-x";
                } else {
                    input_submit.disabled = true;
                    input_submit.style.color = "#777777";
                    input_submit.style.background = "transparent url(/images/bg/form_btn_bg.png) repeat";
                }
            }