function validateLogin() {
      if((checkBlank('loginForm','userName','Please enter username')) || (checkBlank('loginForm','pwd','Please enter password'))) {
          if((checkBlank('loginForm','userName','Please enter username')) && (checkBlank('loginForm','pwd','Please enter password'))) {
              return true;
          }
           return false;
      } else {
          return false;
      }
   }
   function checkBlank(formName, fieldName,alertMsg) {
        var fld  = "";
        eval("fld = document."+formName+ "." +fieldName+".value");
        if(fld == "") {
	    document.getElementById("div_"+fieldName).innerHTML = alertMsg;
            try {
                 document.getElementById("div_"+fieldName).style.display = "block";
            } catch(e) {}
	    return false;
	} else {
	    return true;
	}
    }

   function isZip(formName, fieldName, alertMsg) {
        var t1 = "";
        eval("t1 = document."+formName+ "." +fieldName+".value");
        t2 = parseInt(t1.length);
        if ((parseInt(t1) > 0) ) {
	    return true;
	} else {
	    document.getElementById("div_"+fieldName).innerHTML = alertMsg;
            try {
                 document.getElementById("div_"+fieldName).style.display = "block";
            } catch(e) {}
            return false;
	}
    }  


    function clearErrorMsg(fieldName) {
        try {
            document.getElementById("div_"+fieldName).innerHTML = "";
        } catch(e) {}
        try {
            document.getElementById("div_"+fieldName).style.display = "none";
        } catch(e) {}
    }

  function substituteBlankSpace(queryString) {
        queryString = queryString.replace(/\ /g,"%20");
        return queryString;
    }   

    function popUp(URL, width, height) {
        day = new Date();
        id = day.getTime();
        eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width='+width+',height='+height+',left=100,top=100');");
    }
    function closePopup() {
        window.close();
    }
    
    function DisableButton(bName) {
      try {
          b = document.getElementById(bName);
          b.disabled = true;
          b.value = 'Submitting';
      } catch(e) {}
    }    

    function EnableButton(bName) {
        try {
            b = document.getElementById(bName);
            b.disabled = false;
            b.value = 'Save';
        } catch(e) {}
    }    

    function isBlank(formName, fieldName) {
        var fld  = "";
        eval("fld = document."+formName+ "." +fieldName+".value");
        if(fld == "") {
            var alrt = "Please Enter "+fieldName;
	    alert(alrt);
	    eval("document."+formName+"."+fieldName+".focus()");
	    return false;
	} else {
	    return true;
	}
    }
    function checkIsBlank(formName, fieldName,alertMsg) {
        var fld  = "";
        eval("fld = document."+formName+ "." +fieldName+".value");
        var clsName = "";
        try {
            clsName = document.getElementById(fieldName).className;
        } catch(e) {}
        try {
            if(clsName =="clsHighlights") {
                document.getElementById(fieldName).className = "";
            }
        } catch(e) {}
        if(fld == "") {
	    alert(alertMsg);
	    eval("document."+formName+"."+fieldName+".focus()");
            try {
                 document.getElementById(fieldName).className = "clsHighlights";
            } catch(e) {}
	    return false;
	} else {
	    return true;
	}
    }

    function isNumber(formName, fieldName) {
        var t1 = "";
        eval("t1 = document."+formName+ "." +fieldName+".value");
        if (parseInt(t1) >= 0) {
	    return true;
	} else {
	    alert("Please enter " + fieldName + " as integer number.");
	    eval("document."+formName+"."+fieldName+".focus()");
	    return false;
	}
    }

    function trim(strInput) {
        return strInput.replace(/^\s+/g, '').replace(/\s+$/g, ''); 
    }  

    function isPhoneNumber(formName,ph1,ph2,ph3, alertMsg,msgDiv) {
	str1 = eval("document."+ formName +"."+ph1+".value");
	str2 = eval("document."+ formName +"."+ph2+".value");
	str3 = eval("document."+ formName +"."+ph3+".value");
	
	if (str1 == "") {
            try {
	        document.getElementById("div_"+msgDiv).innerHTML = "Please enter area code in "+alertMsg+" number";
	    } catch(e) {}
            try {
                 document.getElementById("div_"+msgDiv).style.display = "block";
            } catch(e) {}

	    return false;
	}
	if (str2 == "") {
            try {
	        document.getElementById("div_"+msgDiv).innerHTML = "Please check the "+alertMsg+" number";
	    } catch(e) {}
            try {
                 document.getElementById("div_"+msgDiv).style.display = "block";
            } catch(e) {}
	    return false;
	}
	if (str3 == "") {
            try {
	        document.getElementById("div_"+msgDiv).innerHTML = "Please check the "+alertMsg+" number";
	    } catch(e) {}
            try {
                 document.getElementById("div_"+msgDiv).style.display = "block";
            } catch(e) {}
	    return false;
	}
	
	var str = str1 + str2 + str3;
	for (var i = 0; i < str.length; i++) {
	    var ch = str.substring(i, i + 1);
	    if (ch < "0" || "9" < ch) {
            try {
	        document.getElementById("div_"+msgDiv).innerHTML = alertMsg +" number should be numeric";
	    } catch(e) {}
            try {
                 document.getElementById("div_"+msgDiv).style.display = "block";
            } catch(e) {}
		return false;
	    }
	}
	if (str.length != 10) {
            try {
	        document.getElementById("div_"+msgDiv).innerHTML = alertMsg +" number should have 10 digits";
	    } catch(e) {}
            try {
                 document.getElementById("div_"+msgDiv).style.display = "block";
            } catch(e) {}
	    return false;
	}
	return true;
    }
    
   

 function isPasswordOk(formName, fieldName1, fieldName2) {
     eval("str = document."+formName+ "." +fieldName1+".value");
     eval("str1 = document."+formName+ "." +fieldName2+".value");
 
     str = trim(str);
     str1 = trim(str1);
     if (str == "") {
         alert("Enter Your Password.");
         eval("document."+formName+"."+fieldName1+".value=str");
         eval("document."+formName+"."+fieldName1+".select()");
         eval("document."+formName+"."+fieldName1+".focus()");
         return false;
     }
     if(str.length <6) 	{
         alert("Your Password Should be at least 6 Characters.");
         eval("document."+formName+"."+fieldName1+".select()");
         eval("document."+formName+"."+fieldName1+".focus()");
         return false;		
     }
     if (str1 == "") {
         alert("Please Confirm Your Password.");
         eval("document."+formName+"."+fieldName1+".value=str1");
         eval("document."+formName+"."+fieldName2+".select()");
         eval("document."+formName+"."+fieldName2+".focus()");
         return false;
     }
     if (str == str1) { 
     } else {
         alert("Confirm Your Password Again.");    	 
         eval("document."+formName+"."+fieldName2+".value=\"\"");
         eval("document."+formName+"."+fieldName2+".select()");
         eval("document."+formName+"."+fieldName2+".focus()");
         return false;
     }
     return true;
 }   

/**
 * email validation script.
 */
  function isEmailOk(formName, fieldName) {
         var re = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/
         var email = "";
         try {
             eval("email = document."+formName+"."+fieldName+".value");
         } catch(e) {}
 	if (email == "") {
                try {
	            document.getElementById("div_"+fieldName).innerHTML = "Please enter E-mail address.";
	        } catch(e) {}
                try {
                     document.getElementById("div_"+fieldName).style.display = "block";
                } catch(e) {}
 		return false;
 	}
         if (!email.match(re)) {
             try {
	        document.getElementById("div_"+fieldName).innerHTML = "Check E-mail Address!";
	     } catch(e) {}
             try {
                 document.getElementById("div_"+fieldName).style.display = "block";
             } catch(e) {}
             return (false);
         }
         return(true);
     }
  
    function autoTab(formName, srcFiled,trgtField) {
        var ph = "";
        eval("ph = document."+formName+"."+srcFiled+".value");
        var phLen = ph.length;
        if(phLen == 3) {
            eval("document."+formName+"."+trgtField+".focus()");
        }
    } 
    function isRadioCheck(formName, fieldName,alertMsg) {
        var fld  = "";
        var fldCnt = 0;
        eval("var obj = document."+formName+ "." +fieldName);
        for(var i=0; i<obj.length; i++) {
            eval("var fld = document."+formName+"."+fieldName+"["+i+"]" +".checked");
            if(fld) {
                fldCnt++;
            }
        }
        if (fldCnt > 0) {
            return true;
        } else {
            try {
	        document.getElementById("div_"+fieldName).innerHTML = alertMsg;
	    } catch(e) {}
            try {
                 document.getElementById("div_"+fieldName).style.display = "block";
            } catch(e) {}
            return false;
        }
    }    
    
   
   function format_number(pnumber,decimals){
   	if (isNaN(pnumber)) { return 0};
   	if (pnumber=='') { return 0};
   	
   	var snum = new String(pnumber);
   	var sec = snum.split('.');
   	var whole = parseFloat(sec[0]);
   	var result = '';
   	
   	if(sec.length > 1){
   		var dec = new String(sec[1]);
   		dec = String(parseFloat(sec[1])/Math.pow(10,(dec.length - decimals)));
   		dec = String(whole + Math.round(parseFloat(dec))/Math.pow(10,decimals));
   		var dot = dec.indexOf('.');
   		if(dot == -1){
   			dec += '.'; 
   			dot = dec.indexOf('.');
   		}
   		while(dec.length <= dot + decimals) { dec += '0'; }
   		result = dec;
   	} else{
   		var dot;
   		var dec = new String(whole);
   		dec += '.';
   		dot = dec.indexOf('.');		
   		while(dec.length <= dot + decimals) { dec += '0'; }
   		result = dec;
   	}	
   	return result;
   }

  function gotoHome() {
      window.location.href="index.php";
  }
  function gotoVisitInfo(visitId, opt) {
      window.location.href="addVisitInformation.php?visitId="+visitId+"&opt="+opt;
  }  
  function goBack() {
     history.back();
  }
  function gotoHomeWithSelected(visitId) {
      window.location.href="index.php?visitId="+visitId;
  }
  function updateEmail() {
      var myEmail = "";
      try {
          myEmail = document.formEmail.myEmail.value;
      } catch(e) {}
      try {
          document.formEmail.email.value = myEmail;
      } catch(e) {}
  }