// I know this part is dirty, yet it is needed to check for the visibility tag in different browsers.
var explorer;
var netscape4;
var netscape6;
var theDOM, theSuffix, hiddenKeyword, dhtml;

if (document.all) {
explorer = true;
}
else if (document.layers) {
netscape4 = true;
} else {
netscape6 = true;
}

if(explorer){
   theDOM = 'document.all';
   theSuffix = '.style';
   hiddenKeyword = 'hidden';
   dhtml = true;
}

if(netscape4){
   theDOM = 'document';
   theSuffix = '';
   hiddenKeyword = 'hide';
   dhtml = true;
}

if (netscape6) {
  theDOM = "document.getElementsByTagName('*')";
  theSuffix = ".style";
  hiddenKeyword = "hidden";
  dhtml = true;
}


 function buildQS(thisForm )
{	
	var cnt = 0;
	var qs = ""

	if ( thisForm.Location.selectedIndex >0 )
	{
		qs= thisForm.Location.options[thisForm.Location.selectedIndex].text;
	} else {
//		alert("Location Default.");
	}
	
	if ( thisForm.Division.selectedIndex >0 )
	{
		if (qs=="") 
		{
			qs= thisForm.Division.options[thisForm.Division.selectedIndex].text;
		} else {
			qs= qs + " " + thisForm.Division.options[thisForm.Division.selectedIndex].text;
		}
		cnt =cnt++;
	} else {
//		alert("Division Default.");
	}

	if ( thisForm.FunctionalArea.selectedIndex >0 )	
	{
		if (qs=="") 
		{
			qs= thisForm.FunctionalArea.options[thisForm.FunctionalArea.selectedIndex].text;
		} else {
			qs= qs + " " + thisForm.FunctionalArea.options[thisForm.FunctionalArea.selectedIndex].text;
		}
		cnt =cnt++;
	} else {
//		alert("FA Default.");
	}

	if ( thisForm.SearchQuery.value != "Keyword Search" )
	{
		if (qs=="") 
		{
			qs= thisForm.SearchQuery.value;
		} else {
			qs= qs + " " + thisForm.SearchQuery.value;
		}
		cnt =cnt++;
	} else {
//		alert("Keyword Default.");
	}
	
	if (qs!="") {
//		alert("We have query values: " + qs);
//		thisForm.strQuery.value = qs;
		   return true;
	} else {
		alert("Please make a selection or enter a keyword before clicking the SEARCH button.");
	}

}

function writeSearchResults(){  
    for(var i=0;i<a.length;i++){
       document.write(a[i] + "\n");
    }
}
	
function getDisplay(theObject){
	var theObjectReference = eval(theDOM + '.' + theObject + theSuffix);
	if(theObjectReference.visibility == hiddenKeyword){
     	return false;
    	} else {
		return true;
		}
	}
	
function hideObject(theObject){
	var theObjectReference = eval(theDOM + '.' + theObject + theSuffix);
	theObjectReference.visibility = hiddenKeyword;
	}

function maxArray( arr ) {
	// this function calculates the maximum value in the associative array
	var max = 0;
	for(var i in arr){
  	    if (arr[i] > max)
  	    		max = arr[i];
  	}
  	return max;
}

function minArray( arr ) {
	// this function calculates the minimum value in the associative array
	var min;
	var count = 0;
	for(var i in arr){
		// initialize minimum value with first value of associative array
		if (count==0)
			min = arr[i];
		if (arr[i] < min)
  	    		min = arr[i];
  	    	count++;
  	}
  	return min;
}