function externalLinks() { 
 if (!document.getElementsByTagName) return; 
 var anchors = document.getElementsByTagName("a"); 
 for (var i=0; i<anchors.length; i++) { 
   var anchor = anchors[i]; 
   if (anchor.getAttribute("href") && 
       anchor.getAttribute("rel") == "external") 
     anchor.target = "_blank"; 
 } 
}
window.onload = externalLinks;

//carga un CSS en caso de tener Javascript activado
function javascript_css(quin){
	document.write("<link rel= \"stylesheet\" type=\"text/css\" media=\"all\" href=\"styles/"+quin+"_javascript.css\" />");
}

anteriorgaleria=0;
function showgaleria(quina){
	if(quina!=anteriorgaleria){
		switch (quina){
			case "prev":
				if(anteriorgaleria > 1) quina=anteriorgaleria-1;
				else quina=1;
				break;
			case "next":
				if(anteriorgaleria < totalgaleries) quina=anteriorgaleria+1;
				else quina=totalgaleries;
				break;
		}
		if(anteriorgaleria!=0){
			document.getElementById("galeriaset"+anteriorgaleria).style.display="none";
			document.getElementById("page"+anteriorgaleria).style.backgroundColor="white";
		}
		
		document.getElementById("galeriaset"+quina).style.display="block";
		document.getElementById("page"+quina).style.backgroundColor="#F7E29A";		
		anteriorgaleria=quina;
	}
}
// BrowserCheck Object
function BrowserCheck() {
        var b = navigator.appName
        if (b=="Netscape") this.b = "ns"
        else if (b=="Microsoft Internet Explorer") this.b = "ie"
        else this.b = b
        this.version = navigator.appVersion
        this.v = parseInt(this.version)
        this.ns = (this.b=="ns" && this.v>=4)
        this.ns4 = (this.b=="ns" && this.v==4)
        this.ns5 = (this.b=="ns" && this.v==5)
        this.ie = (this.b=="ie" && this.v>=4)
        this.ie4 = (this.version.indexOf('MSIE 4')>0)
        this.ie5 = (this.version.indexOf('MSIE 5')>0)
        this.ie6 = (this.version.indexOf('MSIE 6')>0)
		this.ie7 = (this.version.indexOf('MSIE 7')>0)
        this.min = (this.ns||this.ie)
        this.comp = (this.ns5||this.ie5||this.ie6)
		this.platf = navigator.platform.toUpperCase();
		this.linux = (this.platf.indexOf('LINUX')!=-1);
}
is = new BrowserCheck()

function changepng(id,file){
	host="";
	if(is.ie6){
		document.getElementById(id).src=host+"img/1.gif";
		document.getElementById(id).runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+host+"img/" + file + "',sizingMethod='scale')";
	}
}