var SaveOldSearchValue;

function isEnter(e) {
	if (window.navigator.appName.toLowerCase().indexOf("netscape") > -1) {
		if (e.which == 13)
			return true
		else 
			return false
	}
	else {
		if (window.event.keyCode == 13)
			return true;
		else
			return false;
	}
}

function getButton(nameButton) {
	var btnTab = document.getElementsByTagName("input");
	for (var i=0; i<btnTab.length; i++) {
		var btn = btnTab[i];
		if ( btn.id.indexOf(nameButton) != -1 ) {
			return btn;
		}
	}
}

function keyPress(e,tb,nameButton) {
	if (isEnter(e)) {
		var btn = getButton(nameButton);
		btn.click();
	}
}

function ClickButton(nameButton) {
	
		var btn = getButton(nameButton);
		btn.click();
	
}

function Select_Text(nameTextInput) {
	var txt = getButton(nameTextInput)
	txt.select();
}

function Fill_Empty(nameTextInput) {
	var txt = getButton(nameTextInput)
	SaveOldSearchValue = txt.value;
	txt.value = "";
}

function Fill_OldSearchValue(nameTextInput) {
	var txt = getButton(nameTextInput)
	if ((txt.value == "") && (SaveOldSearchValue != "")){
		txt.value = SaveOldSearchValue; }
}

document.onkeypress = function docKeyPress(e) {
if (window.navigator.appName.toLowerCase().indexOf("netscape") > -1) {
	elementRows = window.event.target.srcElement.rows;
} else {
	elementRows = window.event.srcElement.rows;
}

if (!isNaN(elementRows) && elementRows > 0)	{
	return true;
} else {
	if (isEnter(e)) {
		return false;
	} else {
		return true;
	}
}
}