var min=10;
var max=13;

function increaseFontSize() {
   var p=document.getElementsByTagName("*") //returns all elements on page
   
   for(i=0;i<p.length;i++) {
     if ( p[i].id != "alnkincr" && p[i].id != "alnkincr2" )
     {
    
      if(p[i].style.fontSize) {
         var s = parseInt(p[i].style.fontSize.replace("pt",""));
      } else {
         var s = 10;
      }
      if(s!=max) {
         s += 1;
      }
      p[i].style.fontSize = s+"pt";
      p[i].style.fontFamily = "Verdana";
      
      }
   }
   
}
function decreaseFontSize() {    
    var p=document.getElementsByTagName("*") //returns all elements on page    
   
   for(i=0;i<p.length;i++) {
     if ( p[i].id != "alnkincr" && p[i].id != "alnkincr2" )
     {
      if(p[i].style.fontSize) {
         var s = parseInt(p[i].style.fontSize.replace("pt",""));
      } else {
         var s = 10;
      }
      if(s!=min) {
         s -= 1;
      }
      p[i].style.fontSize = s+"pt";
      p[i].style.fontFamily = "Verdana";
      
      }
   }   
}

function OnPCPIdxChange(objCntrl,objSpec)
{
    // we will reset the Spec if an item is selected
    if (objCntrl == null || objSpec == null)
        return;
        
    var objOpt = objCntrl.options;
    var objOptSpec = objSpec.options;
    
    if ( objOpt[objCntrl.selectedIndex].value != "All Physicians" )
    {
        // let's reset the spec drop down
        objSpec.selectedIndex = 0;
    }
        
}

function OnSpecIdxChange(objCntrl,objSpec)
{
    // we will reset the Spec if an item is selected
    if (objCntrl == null || objSpec == null)
        return;
        
    var objOpt = objCntrl.options;
    var objOptSpec = objSpec.options;
    
    if ( objOptSpec[objSpec.selectedIndex].value != "All Physicians" )
    {
        // let's reset the spec drop down
        objCntrl.selectedIndex = 0;
    }
        
}

function GetDir(objCntrl)
{   
    // get the parent 
    var objTxt;
    var strZipSource = "";
        
    if (objCntrl.previousSibling != null)
    {
        objTxt = objCntrl.previousSibling;
        strZipSource = objTxt.value;
    }

    var strLnk = objCntrl.getAttribute("gstr");

    window.open(strLnk + strZipSource,'mywindow','width=800,height=600,resizable=yes,location=yes') ;
    
    window.event.returnValue = false;
    window.event.cancelBubble = true;
}

function SetContactUsReqFields(rdoYes,strType,val1,val2,val3,val4,val5,val6)
{
    var objRdoYes = document.getElementById(rdoYes);
    var blnEnable = false;
        
    if (objRdoYes != null)
    {
        if (objRdoYes.checked)
            blnEnable = true;

        EnableFldReq(blnEnable,strType);

        val1.enabled = blnEnable;
        val2.enabled = blnEnable;
        val3.enabled = blnEnable;
        val4.enabled = blnEnable;
        val5.enabled = blnEnable;
        val6.enabled = blnEnable;
    }
}

function EnableFldReq(blnEnable,strType)
{
    var strDisplay = "";
    if (blnEnable)
        strDisplay = "";
    else
        strDisplay = "none";

    var objFld1 = null;
    var objFld2 = null;
    var objFld3 = null;
    var objFld4 = null;
    var objFld5 = null;
    var objFld6 = null;

    if (strType == "patients")
    {
        objFld1 = document.getElementById("fldreq1");
        objFld2 = document.getElementById("fldreq2");
        objFld3 = document.getElementById("fldreq3");
        objFld4 = document.getElementById("fldreq4");
        objFld5 = document.getElementById("fldreq5");
        objFld6 = document.getElementById("fldreq6");
    }
    
    if (strType == "providers")
    {
        objFld1 = document.getElementById("fldreqprov1");
        objFld2 = document.getElementById("fldreqprov2");
        objFld3 = document.getElementById("fldreqprov3");
        objFld4 = document.getElementById("fldreqprov4");
        objFld5 = document.getElementById("fldreqprov5");
        objFld6 = document.getElementById("fldreqprov6");
    }    
    
    if (strType == "hr")
    {
        objFld1 = document.getElementById("fldreqhr1");
        objFld2 = document.getElementById("fldreqhr2");
        objFld3 = document.getElementById("fldreqhr3");
        objFld4 = document.getElementById("fldreqhr4");
        objFld5 = document.getElementById("fldreqhr5");
        objFld6 = document.getElementById("fldreqhr6");
    }        
    
    if (objFld1 != null) objFld1.style.display = strDisplay;
    if (objFld2 != null) objFld2.style.display = strDisplay;
    if (objFld3 != null) objFld3.style.display = strDisplay;
    if (objFld4 != null) objFld4.style.display = strDisplay;
    if (objFld5 != null) objFld5.style.display = strDisplay;
    if (objFld6 != null) objFld6.style.display = strDisplay;
    
}