// JavaScript Document

var newWin = null; 
function popUp(strURL, strType, strHeight, strWidth) { 
 if (newWin != null && !newWin.closed) 
   newWin.close(); 
 var strOptions=""; 
 if (strType=="console") 
   strOptions="resizable,height="+ 
     strHeight+",width="+strWidth; 
 if (strType=="fixed") 
   strOptions="status,height="+ 
     strHeight+",width="+strWidth; 
 if (strType=="elastic") 
   strOptions="toolbar,menubar,scrollbars,"+ 
     "resizable,location,height="+ 
     strHeight+",width="+strWidth; 
 newWin = window.open(strURL, 'newWin', strOptions); 
 newWin.focus(); 
}


function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  if (targ == 'blank') { 
  	win = window.open(selObj.options[selObj.selectedIndex].value, 'newwindow')
  } else {
	eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
	if (restore) selObj.selectedIndex=0;
  }
}

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 checkDate() {

	var str_day = (inv_getValue('day')) < 10 ? '0' + inv_getValue('day') : inv_getValue('day');
	var str_month = (inv_getValue('month')) < 10 ? '0' + inv_getValue('month') : inv_getValue('month');
	var str_year = inv_getValue('year');
	var seleced_date = str_year + '' + str_month + '' + str_day;
	var initial_date = '19861208';

	if (seleced_date >= initial_date ) {
		return true;
	} else {
		alert('There is no data available prior to 08/12/1986.');
		return false;
	}
	
}

// this is to make the search form give no reaction if user just clicks it
function checkSearch() {
	if (document.searchform.freesearch.value == ' Search' ) {
		document.searchform.freesearch.value = '';
        }return true;
}