function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

//----------------------------------------------------------------------
function New_Enquiry_Validate()
      {
            var emailPat = /^(\".*\"|[A-Za-z]\w*)@(\[\d{1,3}(\.\d{1,3}){3}]|[A-Za-z]\w*(\.[A-Za-z]\w*)+)$/;
            
            var BTCenter=document.getElementById("<%=ddlBTCenter.ClientID%>")
            var SName=document.getElementById("<%=txtStudentName.ClientID%>")
            var emailid=document.getElementById("<%=txtEmailAddress.ClientID %>");
            var PhoneNo=document.getElementById("<%=txtPhoneNo.ClientID %>");
            var Mobile=document.getElementById("<%=txtMobile.ClientID %>");
            var Class=document.getElementById("<%=ddlClass.ClientID%>")
            var YearIITJEE=document.getElementById("<%=ddlYearIITJEE.ClientID%>")
            var Course=document.getElementById("<%=ddlCourse.ClientID%>")
            var SchoolName=document.getElementById("<%=txtSchoolName.ClientID%>")
            var XScience=document.getElementById("<%=txtXScience.ClientID%>")
            var XMaths=document.getElementById("<%=txtXMaths.ClientID%>")
            var XEnglish=document.getElementById("<%=txtXEnglish.ClientID%>")
            var XIPhysics=document.getElementById("<%=txtXIPhysics.ClientID%>")
            var XIMaths=document.getElementById("<%=txtXIMaths.ClientID%>")
            var XIChemistry=document.getElementById("<%=txtXIChemistry.ClientID%>")
            var StudentAddress=document.getElementById("<%=txtStudentAddress.ClientID%>")
            var AttendedBy=document.getElementById("<%=ddlAttendedBy.ClientID%>")
            var Response=document.getElementById("<%=ddlResponse.ClientID%>")
            var CallAgain=document.getElementById("<%=txtCallAgain.ClientID%>")
            
            
        	if((BTCenter.value==null)||(BTCenter.value=="-Select-"))
	        {
		        alert("Please Select Bansal Tutorials Center First.")
		        BTCenter.focus()
	            return false
	        }	 
	        if((SName.value==null)||(SName.value==""))
	        {
		        alert("Please Enter your Name.")
		        SName.focus()
	            return false
	        }
	        if((emailid.value==null)||(emailid.value!=""))
	        {
	          if (emailid.value.match(emailPat) == null)
              {
                alert("Your email address seems incorrect. Please try again.");
                emailid.value="";
                emailid.focus()
                return false;
              }
            }
            if((PhoneNo.value==null)||(PhoneNo.value!=""))
	        {
		        if(isInteger(PhoneNo.value)==false)
	            {
	               alert("Only Integer.")
	               PhoneNo.value="";
		           PhoneNo.focus()
	               return false
	            }	
	        }
            if((Mobile.value==null)||(Mobile.value==""))
	        {
		        alert("Please Enter your Mobile No.")
		        Mobile.focus()
	            return false
	        }
	        if(isInteger(Mobile.value)==false)
	        {
	           alert("Only Integer.")
	           Mobile.value="";
		       Mobile.focus()
	           return false
	        }
	        if((Class.value==null)||(Class.value=="-Select-"))
	        {
		        alert("Please Select In which Class Student.")
		        Class.focus()
	            return false
	        }	 
	        if((YearIITJEE.value==null)||(YearIITJEE.value=="-Select-"))
	        {
		        alert("Please Select In which Year IIT-JEE.")
		        YearIITJEE.focus()
	            return false
	        }	 
	        if((Course.value==null)||(Course.value=="-Select-"))
	        {
		        alert("Please Select For Which Course.")
		        Course.focus()
	            return false
	        }	 
	        if((SchoolName.value==null)||(SchoolName.value==""))
	        {
		        alert("Please Enter Student School Name.")
		        SchoolName.focus()
	            return false
	        }
	        if((XScience.value==null)||(XScience.value!=""))
	        {
		        if(isInteger(XScience.value)==false)
	            {
	               alert("Only Integer.")
	               XScience.value="";
		           XScience.focus()
	               return false
	            }	
	        } 
	        if((XMaths.value==null)||(XMaths.value!=""))
	        {
		        if(isInteger(XMaths.value)==false)
	            {
	               alert("Only Integer.")
	               XMaths.value="";
		           XMaths.focus()
	               return false
	            }	
	        } 
	        if((XEnglish.value==null)||(XEnglish.value!=""))
	        {
		        if(isInteger(XEnglish.value)==false)
	            {
	               alert("Only Integer.")
	               XEnglish.value="";
		           XEnglish.focus()
	               return false
	            }	
	        } 
	        if((XIPhysics.value==null)||(XIPhysics.value!=""))
	        {
		        if(isInteger(XIPhysics.value)==false)
	            {
	               alert("Only Integer.")
	               XIPhysics.value="";
		           XIPhysics.focus()
	               return false
	            }	
	        } 
	        if((XIMaths.value==null)||(XIMaths.value!=""))
	        {
		        if(isInteger(XIMaths.value)==false)
	            {
	               alert("Only Integer.")
	               XIMaths.value="";
		           XIMaths.focus()
	               return false
	            }	
	        } 
	        if((XIChemistry.value==null)||(XIChemistry.value!=""))
	        {
		        if(isInteger(XIChemistry.value)==false)
	            {
	               alert("Only Integer.")
	               XIChemistry.value="";
		           XIChemistry.focus()
	               return false
	            }	
	        } 
	        if((StudentAddress.value==null)||(StudentAddress.value==""))
	        {
		        alert("Please Enter Student Address.")
		        StudentAddress.focus()
	            return false
	        }
	        if((AttendedBy.value==null)||(AttendedBy.value=="-Select-"))
	        {
		        alert("Please Select Who Attended Student.")
		        AttendedBy.focus()
	            return false
	        }	 
	        if((Response.value==null)||(Response.value=="-Select-"))
	        {
		        alert("Please Select Student Response.")
		        Response.focus()
	            return false
	        }	
	        if((Response.value==null)||(Response.value=="Call Again"))
	        {
		       if((CallAgain.value==null)||(CallAgain.value==""))
	           {
		           alert("Please Enter Next Call Date.")
		           CallAgain.focus()
	               return false
	           }
	        }	 
	        else
	        {
	            return true
	        }
      }