isIE = navigator.userAgent.toLowerCase().indexOf('msie')!=-1;

clearFormField = function(obj,image){
	obj.style.background = '#f1f1f1 url('+image+') no-repeat center';
}

restoreFormField = function(obj,image){
	if(obj.value == '')obj.style.background = '#f3f3f3 url('+image+') no-repeat top left';
}

openExpoText = function(txt){
	var expotextWin = null;
	expotextWin = window.open(exposaibamais[unescape(txt)],'ExpoTextWin','width=430,height=500,left=50,top=50,scrollbars=1,resizable=1');
	if(expotextWin)expotextWin.focus();
}

init = function(){
	for(var i in document.links)document.links[i].onfocus=function(){if(this.blur)this.blur()}
	try{
		document.mailForm.subject.focus();
	}
	catch(e){}
	resizeMenuShd();
}

resizeMenuShd = function(){
	menuObj 	= document.getElementById('menu');
	menuHeight  = (menuObj.offsetHeight - 2) + 'px';
	menushd1Obj = document.getElementById('menushd1');
	menushd2Obj = document.getElementById('menushd2');
	menushd1Obj.style.height = menuHeight;
	menushd2Obj.style.height = menuHeight;
}

showhideMenu = function(st){
	clearTimeout(menutimer);
	if(st == 1) document.getElementById('menuholder').style.visibility = 'visible';
	else document.getElementById('menuholder').style.visibility = 'hidden';
}

window.onload = init;