/*
	Developed by Robert Nyman, http://www.robertnyman.com
	Code/licensing: http://code.google.com/p/getelementsbyclassname/
*/	
var getElementsByClassName = function (className, tag, elm){
	if (document.getElementsByClassName) {
		getElementsByClassName = function (className, tag, elm) {
			elm = elm || document;
			var elements = elm.getElementsByClassName(className),
				nodeName = (tag)? new RegExp("\\b" + tag + "\\b", "i") : null,
				returnElements = [],
				current;
			for(var i=0, il=elements.length; i<il; i+=1){
				current = elements[i];
				if(!nodeName || nodeName.test(current.nodeName)) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	else if (document.evaluate) {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = "",
				xhtmlNamespace = "http://www.w3.org/1999/xhtml",
				namespaceResolver = (document.documentElement.namespaceURI === xhtmlNamespace)? xhtmlNamespace : null,
				returnElements = [],
				elements,
				node;
			for(var j=0, jl=classes.length; j<jl; j+=1){
				classesToCheck += "[contains(concat(' ', @class, ' '), ' " + classes[j] + " ')]";
			}
			try	{
				elements = document.evaluate(".//" + tag + classesToCheck, elm, namespaceResolver, 0, null);
			}
			catch (e) {
				elements = document.evaluate(".//" + tag + classesToCheck, elm, null, 0, null);
			}
			while ((node = elements.iterateNext())) {
				returnElements.push(node);
			}
			return returnElements;
		};
	}
	else {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = [],
				elements = (tag === "*" && elm.all)? elm.all : elm.getElementsByTagName(tag),
				current,
				returnElements = [],
				match;
			for(var k=0, kl=classes.length; k<kl; k+=1){
				classesToCheck.push(new RegExp("(^|\\s)" + classes[k] + "(\\s|$)"));
			}
			for(var l=0, ll=elements.length; l<ll; l+=1){
				current = elements[l];
				match = false;
				for(var m=0, ml=classesToCheck.length; m<ml; m+=1){
					match = classesToCheck[m].test(current.className);
					if (!match) {
						break;
					}
				}
				if (match) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	return getElementsByClassName(className, tag, elm);
};

function hideDepoimentos() {
	var deps = getElementsByClassName("colright");
	for (var i = 0; i < deps.length; i++) {
		deps[i].style.display = "none";
	}
}

function showDep(nome) {
	var dep = document.getElementById(nome);
	hideDepoimentos();
	dep.style.display = "block";
}

jQuery(document).ready(function(){


//CONTROLE TAMANHO TEXTO
	
	//primeiro, checo se já houve aumento de fonte, com este novo tamanho armazenado num cookie
	//em caso negativo, eu crio o cookie com o tamanho corrente da fonte do body
	var tamTextoCookie;
	if(!jQuery.cookie("tamTextoSalvo")) {
		tamTextoCookie = "100";
		//alert(tamTextoCookie);
		jQuery.cookie("tamTextoSalvo", tamTextoCookie, { path: '/' });
		currentFontSize = parseInt(jQuery.cookie("tamTextoSalvo"));
	}else {			
			//reset values
			//tamTextoCookie = 100; jQuery.cookie("tamTextoSalvo", tamTextoCookie, { path: '/' }); alert("Tamanho = 100%");
		currentFontSize = parseInt(jQuery.cookie("tamTextoSalvo"));
		jQuery('.bcontent').css('font-size',  currentFontSize + "%");
	}
	
	//Recebe e configura o tamanho 
	function setSize() {

		jQuery('.bcontent').css('font-size', currentFontSize + "%");                
		
		jQuery.cookie('tamTextoSalvo', currentFontSize, { path: '/' });
		return false;  
	}
		
	// Aumenta o tamanho da fonte
	jQuery("#amais").click(function(){	
		if (currentFontSize <= 120) {
			currentFontSize += 10;
			setSize();
		}
	});
	// Diminui o tamanho da fonte
	jQuery("#amenos").click(function(){
		if (currentFontSize > 100) {
			currentFontSize -= 10;
			setSize();
		}  
	});
	
		// Aumenta o tamanho da fonte
	jQuery(".amais2").click(function(){	
		if (currentFontSize <= 120) {
			currentFontSize += 10;
			setSize();
		}
	});
	// Diminui o tamanho da fonte
	jQuery(".amenos2").click(function(){
		if (currentFontSize > 100) {
			currentFontSize -= 10;
			setSize();
		}  
	});

	
	jQuery('#fotospequenas').cycle({ 
		fx:     'scrollVert', 
		prev:   '#prev1', 
		next:   '#next1', 
		timeout: 0 
	});

	jQuery('#fotosMineracao').cycle({ 
		fx:     'scrollVert', 
		prev:   '#prevM', 
		next:   '#nextM', 
		timeout: 0 
	});


});