// JavaScript Document
function praetzel_radio(obj,id){
	if(obj.src.match("img/contato/contato_news_selected_radio.gif")=="img/contato/contato_news_selected_radio.gif"){
		obj.src="img/contato/contato_news_deselected_radio.gif";
		document.getElementById(id).value="unchecked";
	}else{
		obj.src="img/contato/contato_news_selected_radio.gif";
		document.getElementById(id).value="checked";
	}
}

function praetzel_rollCheck(obj){
	if(obj.scrollHeight>200){
		obj.style.width='175px';
	}else{
		obj.style.width='185px';
	}	
}
function getWindowHeight() {
	var windowHeight = 0;
	if (typeof(window.innerHeight) == 'number') {
		windowHeight = window.innerHeight;
	}
	else {
		if (document.documentElement && document.documentElement.clientHeight) {
			windowHeight = document.documentElement.clientHeight;
		}
		else {
			if (document.body && document.body.clientHeight) {
				windowHeight = document.body.clientHeight;
			}
		}
	}
	return windowHeight;
}
function setFooter() {
	
	if (document.getElementById) {
		var windowHeight = getWindowHeight();
		if (windowHeight > 0) {
			var contentElement =  document.getElementById('main')
			var contentHeight = contentElement.offsetHeight;
			var footerElement = document.getElementById('rodape');
			var footerHeight  = footerElement.offsetHeight;
			if (windowHeight - (contentHeight + footerHeight) >= 0) {
				if(contentHeight<windowHeight){
					footerElement.style.position = 'absolute';
					footerElement.style.top = (windowHeight - footerHeight) + 'px';
				}
			}
			else {
				footerElement.style.position = 'static';
			}
		}
	}
}