// Generic Scripts For Inner Health Website

function textCounter(field,cntfield,maxlimit) {
if (field.value.length > maxlimit) // if too long...trim it!
field.value = field.value.substring(0, maxlimit);
// otherwise, update 'characters left' counter
else
cntfield.value = maxlimit - field.value.length;
}

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_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_findObj(n, d) { //v4.01
  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 && d.getElementById) x=d.getElementById(n); return x;
}

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_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function printWindow(){
   bV = parseInt(navigator.appVersion)
   if (bV >= 4) window.print()
}

function scaleFont(inc,unit) {
	var tags = new Array( 'div','td','tr','p','b','table','strong','emphasis','a','h1','h2','h3','pre','sub','sup','i','th','cp','ul','ol','li','dt','dd');
	var pixelArray =  new Array('10','12','16','20','24','30','40');
	var emArray =  new Array('0.7','0.9','1.0','1.5','2.0','2.5','3');
	var initSize = 3;
	
	if (!document.getElementById) 
		return;
	var size = initSize;
		size += inc;
	if (size < 0 ) {
		size = 0;
}
	if (size > 6 ) {
		size = 6;
}
		initSize = size;
		getBody = document.getElementsByTagName('body')[0];
	for (i = 0 ; i < tags.length ; i++ ) {
		getallTags = getBody.getElementsByTagName(tags[i]);
	for (k = 0 ; k < getallTags.length ; k++) 
		getallTags[k].style.fontSize = (unit=='px') ? pixelArray[size]+unit: emArray[size]+unit;
	}
}

function getIndex(el) {
	ind = null;
	for (i=0; i<document.layers.length; i++) {
		whichEl = document.layers[i];
		if (whichEl.id == el) {
			ind = i;
			break;
		}
	}
	return ind;
}

function arrange() {
	nextY = document.layers[firstInd].pageY + document.layers[firstInd].document.height;
	for (i=firstInd+1; i<document.layers.length; i++) {
		whichEl = document.layers[i];
		if (whichEl.visibility != "hide") {
			whichEl.pageY = nextY;
			nextY += whichEl.document.height;
		}
	}
}

function initIt(){
	if (!ver4) return;
	if (NS4) {
		for (i=0; i<document.layers.length; i++) {
			whichEl = document.layers[i];
			if (whichEl.id.indexOf("Child") != -1) whichEl.visibility = "hide";
		}
		arrange();
		expandIt('elOne');
	} else {
		divColl = document.all.tags("DIV");
		for (i=0; i<divColl.length; i++) {
			whichEl = divColl(i);
			if (whichEl.className == "child") whichEl.style.display = "none";
		}
	//BOne.click();
	}
}

function IsNumeric(sText) {
   var ValidChars = "0123456789";
   var IsNumber=true;
   var Char;

   for (i = 0; i < sText.length && IsNumber == true; i++) { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) {
         IsNumber = false;
      }
   }
   return IsNumber;
}


function expandIt(el) {
  if (!ver4) return;
	var es;
	//expandAll(false);
	
	if (IE4) {
		//added this code so that text link will change the image as well
		es = el.substring(el.length-1);
		if(IsNumeric(es)) {		
			el = el.substring(0,el.length-1);
		}		

		whichEl = eval(el + "Child");
		whichIm = event.srcElement;
							
		if (whichEl.style.display == "none") {
			whichEl.style.display = "block";
			
			if(IsNumeric(es)) {
				eval ("document.images.imEx" + es + ".src = strImageUp");     
			}	else {
				whichIm.src = strImageUp;   
			}
		}	else {
			whichEl.style.display = "none";
			
			if(IsNumeric(es)) {
			eval ("document.images.imEx" + es + ".src = strImageDown");     
			} else {
				whichIm.src = strImageDown;   
			}
		}
	} else {
		whichEl = eval("document." + el + "Child");
		whichIm = eval("document." + el + "Parent.document.images['imEx']");
		if (whichEl.visibility == "hide") {
			whichEl.visibility = "show";
			whichIm.src = strImageUp;
		}	else {
			whichEl.visibility = "hide";
			whichIm.src = strImageDown;
		}
		arrange();
	}
}

function expandAll() {
	if (!ver4) return;
	newSrc = (isExpanded) ? strImageDown : strImageUp;

	if (NS4) {
		document.images["imEx"].src = newSrc;
		for (i=firstInd; i<document.layers.length; i++) {
			whichEl = document.layers[i];
			if (whichEl.id.indexOf("Parent") != -1) {
				whichEl.document.images["imEx"].src = newSrc;
			}
			if (whichEl.id.indexOf("Child") != -1) {
				whichEl.visibility = (isExpanded) ? "hide" : "show";
			}
		}

		arrange();
		if (isExpanded) scrollTo(0,document.layers[firstInd].pageY);
	} else {
		divColl = document.all.tags("DIV");
		for (i=0; i<divColl.length; i++) {
			if (divColl(i).className == "child") {
				divColl(i).style.display = (isExpanded) ? "none" : "block";
			}
		}
		imColl = document.images.item("imEx");
		for (i=0; i<imColl.length; i++) {
			imColl(i).src = newSrc;
		}
	}
    
	isExpanded = !isExpanded;
}

//this switches expand collapse icons
function filter(imagename,objectsrc){
	if (document.images){
		document.images[imagename].src=eval(objectsrc+".src");
	}
}

//show OR hide funtion depends on if element is shown or hidden
function shoh(id) { 
	
	if (document.getElementById) { // DOM3 = IE5, NS6
		if (document.getElementById(id).style.display == "none"){
			document.getElementById(id).style.display = 'block';
			filter(("img"+id),'imgin');			
		} else {
			filter(("img"+id),'imgout');
			document.getElementById(id).style.display = 'none';			
		}	
	} else { 
		if (document.layers) {	
			if (document.id.display == "none"){
				document.id.display = 'block';
				filter(("img"+id),'imgin');
			} else {
				filter(("img"+id),'imgout');	
				document.id.display = 'none';
			}
		} else {
			if (document.all.id.style.visibility == "none"){
				document.all.id.style.display = 'block';
			} else {
				filter(("img"+id),'imgout');
				document.all.id.style.display = 'none';
			}
		}
	}
}