// ======================================================
//  Blei S.p.A. Web Site Project
//  JavaScript General Utils
//  Implemented by Angelo Ostuni
//
//  Copyright 2000-2001 ICRNetwork Italia srl
// ======================================================

  function MM_preloadImages() { //v3.0
    var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
  }

  function MM_findObj(n, d) { //v4.0
    var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
      d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
    if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
    for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
    if(!x && document.getElementById) x=document.getElementById(n); return x;
  }

  function MM_showHideLayers() { //v3.0
    var i,p,v,obj,args=MM_showHideLayers.arguments;
    for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
      if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
      obj.visibility=v; }
  }

  function checkDate(pDate) {
    var arrMonthDays = new Array(0,31,28,31,30,31,30,31,31,30,31,30,31);  
    var arrDate;
    if (pDate == '') {
      return (true);
    }
    else {
      if ((''+pDate).indexOf('-') >= 0) 
        arrDate = (''+pDate).split('-');
      else if ((''+pDate).indexOf('/') >= 0)  
        arrDate = (''+pDate).split('/');
      else {  
        return (false);
      }
      if (arrDate.length != 3) {
        return (false);
      }
      else if ( (isNaN((''+arrDate[0]).replace(/0/g,''))) ||
                (isNaN((''+arrDate[1]).replace(/0/g,''))) ||
                (isNaN((''+arrDate[2]).replace(/0/g,'')))) {
        return (false); 
      }
      else if ((arrDate[0] <= 0) || (arrDate[1] <= 0) || (arrDate[2] <= 0) || (arrDate[0] > 31) 
                || (arrDate[1] > 12) || (arrDate[2] <= 1900) || (arrDate[2] >= 2100)) {
        return (false);
      }
      else if (arrDate[0] > arrMonthDays[parseInt((''+arrDate[1]).replace(/0/,''))]) {
        return (false);
      }
      return (true);
    }
  }