function CarregaVarsIFrame(){
  area =  location.search.slice(1);
  if (area == "1") {var vPagina = 'areas/area1.html'}
  if (area == "2") {var vPagina = 'areas/area2.html'}
  if (area == "3") {var vPagina = 'areas/area3.html'}
  if (area == "4") {var vPagina = 'areas/area4.html'}
  if (area == "5") {var vPagina = 'areas/area5.html'}
  if (area == "6") {var vPagina = 'areas/area6.html'}
  if (area == "7") {var vPagina = 'areas/area7.html'}
  if (area == "8") {var vPagina = 'areas/area8.html'}
  
  viFrame1 = "<iframe src="+vPagina+" frameborder='0' marginheight='0' marginwidth='0' scrolling='no' name='_iframe' id='_iframe' width='375' height='480'></iframe>"
  viFrame2 = "<iframe src='areas.html' frameborder='0' marginheight='0' marginwidth='0' scrolling='no' name='_iframe' id='_iframe' width='375' height='480'></iframe>"
}

function validaIFrame1(){
	CarregaVarsIFrame();
  	if (area != "") {document.write (viFrame1);}
        if (area == "") {document.write (viFrame2);}
}