// extra functions for dianaephoto.com

// swapClass -- toggles button from opened to closed
function P7_swapClass(){ //v1.4 by PVII
 var i,x,tB,j=0,tA=new Array(),arg=P7_swapClass.arguments;
 if(document.getElementsByTagName){for(i=4;i<arg.length;i++){tB=document.getElementsByTagName(arg[i]);
  for(x=0;x<tB.length;x++){tA[j]=tB[x];j++;}}for(i=0;i<tA.length;i++){
  if(tA[i].className){if(tA[i].id==arg[1]){if(arg[0]==1){
  tA[i].className=(tA[i].className==arg[3])?arg[2]:arg[3];}else{tA[i].className=arg[2];}
  }else if(arg[0]==1 && arg[1]=='none'){if(tA[i].className==arg[2] || tA[i].className==arg[3]){
  tA[i].className=(tA[i].className==arg[3])?arg[2]:arg[3];}
  }else if(tA[i].className==arg[2]){tA[i].className=arg[3];}}}}
}

// Write styles command -- pre-writes styles before loading
function P7_writeStyles(op,a){ //v1.5 by PVII
if(op==0||document.getElementById){var tS="<sty"+"le type=\"text/css\">";
tS+=a+"<"+"/sty"+"le>";document.write(tS);document.close();}
}

P7_writeStyles(1,'.closed ul{display:none;}.open ul{display:block;}');

// Resize thumbnails to small size
/* The JavaScript Source!! http://javascript.internet.com
Created by: Cat Arriola :: http://astrodiva.journalspace.com */
// Usage: scaleImgs('element ID', maximum width)
function scaleImgs(whichId, maxXY) {
var pix=document.getElementById(whichId).getElementsByTagName('img');
  for (i=0; i<pix.length; i++) {
    w=pix[i].width;
    h=pix[i].height;
		if (h > w) {
      f=1-((h - maxXY) / h);
      pix[i].width=w * f;
      pix[i].height=h * f;
		}
    else {
      f=1-((w - maxXY) / w);
      pix[i].width=w * f;
      pix[i].height=h * f;
    }
  }
}