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

    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) {
        var fld  = "";
        eval("fld = document."+formName+ "." +fieldName+".value");
        if(fld == "") {
	    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 isEmailOk(formName, fldName) {
	var email = "";
	eval("email = document."+formName+ "." + fldName + ".value");
	if (email == "") {
		alert ('Please enter E-mail address.');
		eval("document."+formName+ "." + fldName + ".focus()");
		eval("document."+formName+ "." + fldName + ".select()");
		return false;
	}
	if((email.indexOf("@")==-1) ||(email.indexOf(".")==-1)) {
		alert ('Enter a valid E-mail address!');
		eval("document."+formName+ "." + fldName + ".focus()");
		eval("document."+formName+ "." + fldName + ".select()");
		return false;
	}
	if (email.length < 8) {
		alert("Check E-mail Address!");
		eval("document."+formName+ "." + fldName + ".focus()");
		eval("document."+formName+ "." + fldName + ".select()");
		return false;
        }
	if ((email.indexOf(" ") > 1)) {
		alert("Check E-mail Address!");
		eval("document."+formName+ "." + fldName + ".focus()");
		eval("document."+formName+ "." + fldName + ".select()");
		return false;
        }
	return true;
    } 
    function isEmail(formName, fldName) {
	var email = "";
	eval("email = document."+formName+ "." + fldName + ".value");
	if (email == "") {
		alert ('Please enter E-mail address.');
		return false;
	}
	if((email.indexOf("@")==-1) ||(email.indexOf(".")==-1)) {
		alert ('Enter a valid E-mail address!');
		return false;
	}
	if (email.length < 8) {
		alert("Check E-mail Address!");
		return false;
        }
	if ((email.indexOf(" ") > 1)) {
		alert("Check E-mail Address!");
		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;
	}   

    function isPhoneNumber(formName,phoneNumber,ph1,ph2,ph3) {
	str1 = eval("document."+ formName +"."+ph1+".value");
	str2 = eval("document."+ formName +"."+ph2+".value");
	str3 = eval("document."+ formName +"."+ph3+".value");
	
	if (str1 == "") {
	    alert("Please enter area code in phone number.");
	    eval("document."+ formName +"."+ph1+".focus()");
	    eval("document."+ formName +"."+ph1+".select()");
	    return false;
	}
	if (str2 == "") {
	    alert("Please check the phone number.");
	    eval("document."+ formName +"."+ph2+".focus()");
	    eval("document."+ formName +"."+ph2+".select()");
	    return false;
	}
	if (str3 == "") {
	    alert("Please check the phone number.");
	    eval("document."+ formName +"."+ph3+".focus()");
	    eval("document."+ formName +"."+ph3+".select()");
	    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) {
		alert('Phone number should be numeric.');
		eval("document."+ formName +"."+ph3+".focus()");
	    	eval("document."+ formName +"."+ph3+".select()");
		return false;
	    }
	}
	if (str.length != 10) {
	    alert("The phone number should have 10 digits.");
	    eval("document."+ formName +"."+ph3+".focus()");
	    eval("document."+ formName +"."+ph3+".select()");
	    return false;
	}
	eval("document."+ formName +"."+phoneNumber+".value="+str);
//    alert("document."+ formName +"."+phoneNumber+".value="+str);
	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;
 }   
function isEmailConfirmOk(formName, fieldName1, fieldName2) {
    var email = "";
    var email1 = "";
    eval("email = document."+formName+ "." + fieldName1 + ".value");
    eval("email1 = document."+formName+ "." + fieldName2 + ".value");
    try {
        email = trim(email);
    } catch(e) {}
    try {
        email1 = trim(email1);
    } catch(e) {}
    if (email == "") {
        alert ('Please enter E-mail address.');
        eval("document."+formName+ "." + fieldName1 + ".focus()");
	eval("document."+formName+ "." + fieldName1 + ".select()");
	return false;
    }
    if((email.indexOf("@")==-1) ||(email.indexOf(".")==-1)) {
	alert ('Enter a valid E-mail address!');
	eval("document."+formName+ "." + fieldName1 + ".focus()");
	eval("document."+formName+ "." + fieldName1 + ".select()");
	return false;
    }
    if (email.length < 8 || email.indexOf(" ") > 0) {
        alert("Check E-mail Address!");
	eval("document."+formName+ "." + fieldName1 + ".focus()");
	eval("document."+formName+ "." + fieldName1 + ".select()");
	return false;
    }
    if (email1 == "") {
        alert("Please Confirm Your Email Address.");
        eval("document."+formName+"."+fieldName1+".value=email");
        eval("document."+formName+"."+fieldName2+".select()");
        eval("document."+formName+"."+fieldName2+".focus()");
        return false;
    }
    if (email == email1) {
    } else {
        alert("Confirm Your Email Address Again.");
        eval("document."+formName+"."+fieldName2+".value=\"\"");
        eval("document."+formName+"."+fieldName2+".select()");
        eval("document."+formName+"."+fieldName2+".focus()");
        return false;
    }
    return true;
}