// JavaScript Document

//1920 x 1200
//1280 x 1024
//1024 x 768 - 1280 x 800

function set_bg(){
 	res1280="1280_";
	res1440="1440_";
	res1680="1680_";
	res1920="1920_";
	nom_pag="contactar";
	nom_img=la_pag();
	//if(nom_img=="home_cas.jpg"){nom_img="home.jpg";}
	//if(nom_img=="index.jpg"){nom_img="home.jpg";}
	ruta_mare="http://www.asemaic.com";
	ruta=ruta_mare+"/contingut/bg/"
	la_res=mira_res();
	
	/*
	if(la_res<1440){la_res=res1280;
	}else{
		la_res=res1680;
	}
		*/
	//fons=ruta+la_res+nom_pag+".jpg";
	fons=ruta+la_res+"/"+nom_pag+".jpg";
	fons=ruta+la_res+"/"+nom_img;
	//alert(fons);
	document.body.style.backgroundImage="url("+fons+")";
	document.body.style.backgroundPosition="bottom";
	//document.style.backgroundImage="url("+fons+")";
	//alert(fons);
	document.documentElement.style.backgroundImage="url("+fons+")";
	
	//object.style.backgroundImage="url(stars.gif)"
}
function mira_res()
{
	if ( screen.width <= 1024 && screen.height <= 768 )
 	{
		la_res=1024;
 	}else if ( screen.width <= 1280 && screen.height <= 1024 )
 	{
 		la_res=1280;	
 	}else if ( screen.width <= 1680 && screen.height <= 1050 )
 	{
 		la_res=1680;	
 	}else //if ( screen.width <= 1920 && screen.height <= 1200 )
 	{
 		la_res=1920;	
 	}
	quina_res=screen.width+"x"+screen.height;
	//alert("res: "+quina_res+" | la_res: "+la_res);	
	return la_res;
}
function la_pag()
{
   var url = parent.location.href; 
   var dir = url.split('/');
   var url = dir[dir.length-1];
  
   if(dir.length>=5)
   {
   		var dir = url.split('.');
   		var url = dir[0]+'.jpg';
   }else{
	    //alert(dir.length);
   		url="home.jpg";
   }
   return url;
   //alert ("La pàgina actual es: "+url);
}