function echeck(str)
{
	var at="@";
	var dot=".";
	var lat=str.indexOf(at);
	var lstr=str.length;
	var ldot=str.indexOf(dot);
	//alert(str.indexOf(dot));
	//alert(lstr);
	if (str.indexOf(at)==-1)
	{
	   alert("Invalid E-mail ID");
	   return false;
	}
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr)
	{
	   alert("Invalid E-mail ID");
	   return false;
	}
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==(lstr-1))
	{
		alert("Invalid E-mail ID");
		return false;
	}
	 if (str.indexOf(at,(lat+1))!=-1)
	 {
		alert("Invalid E-mail ID");
		return false;
	 }
	 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot)
	 {
		alert("Invalid E-mail ID");
		return false;
	 }
	 if (str.indexOf(dot,(lat+2))==-1)
	 {
		alert("Invalid E-mail ID");
		return false;
	 }
	 if (str.indexOf(" ")!=-1 || str.indexOf("!")!=-1 || str.indexOf("?")!=-1 || str.indexOf("$")!=-1 || str.indexOf("^")!=-1 || str.indexOf("*")!=-1 || str.indexOf("{")!=-1)
	 {
		alert("Invalid E-mail ID");
		return false;
	 }
	 return true;
}
function checkmain()
{
    var emailID=document.cjfform.textemail;
    if (document.cjfform.textname.value == "" || document.cjfform.textname.value == "NAME")
    {
	    alert("Please Enter Your Name.");		
	    document.cjfform.textname.focus();
	    return false;
    }   
	else if (document.cjfform.textaddress.value == "" || document.cjfform.textaddress.value == "ADDRESS")
    {
	    alert("Please Enter Address.");		
	    document.cjfform.textaddress.focus();
	    return false;
    }
	else if (document.cjfform.textfast.value == "" || document.cjfform.textfast.value == "WHY ARE YOU FASTING???:")
    {
	    alert("Please Enter WHY ARE YOU FASTING???.");		
	    document.cjfform.textfast.focus();
	    return false;
    }
	else if (document.cjfform.txtphone.value == "" || document.cjfform.txtphone.value == "YOUR PHONE NO.")
    {
	    alert("YOUR PHONE NO.");		
	    document.cjfform.txtphone.focus();
	    return false;
    }	
    else if ((emailID.value==null)||(emailID.value=="")||(emailID.value=="E-MAIL ADDRESS"))
	{
		alert("Please Enter your Email ID");		
		emailID.focus();
		return false;
	}
	else if (echeck(emailID.value)==false)
	{
		emailID.focus();
		return false;
	}    
	else if (echeck(document.cjfform.textemail.value)==false)
    {
       	document.cjfform.textemail.focus();
        return false;
    }			
	else
	{
		return true;
	}
}
function checksubscribe()
{
	var emailID=document.formsubscribe.subscribeemail;
	 if ((emailID.value==null)||(emailID.value==""))
	{
		alert("Please Enter your Email ID");		
		emailID.focus();
		return false;
	}
	else if (echeck(emailID.value)==false)
	{
		emailID.focus();
		return false;
	}    
	else if (echeck(document.formsubscribe.subscribeemail.value)==false)
    {
       	document.formsubscribe.subscribeemail.focus();
        return false;
    }			
	else
	{
		return true;
	}
}
function changesubscribe()
{
	if (document.formsubscribe.subscribeemail.value == "" || document.formsubscribe.subscribeemail.value == "Enter Your Email Id")
    {
	   document.formsubscribe.subscribeemail.value = "Enter Your Email Id";	    	   
    }	
}
function changesubscribeblank()
{
	document.formsubscribe.subscribeemail.value = "";		
}


function changename()
{
	if (document.cjfform.textname.value == "" || document.cjfform.textname.value == "NAME")
    {
	    document.cjfform.textname.value = "NAME";	     
	}	
}

function changenameblank()
{
	document.cjfform.textname.value = "";	
}

function changeaddress()
{
	if (document.cjfform.textaddress.value == "" || document.cjfform.textaddress.value == "ADDRESS")
    {
	    document.cjfform.textaddress.value = "ADDRESS";	     
	}	
}

function changeaddressblank()
{
	document.cjfform.textaddress.value = "";	
}

function changefast()
{
	if (document.cjfform.textfast.value == "" || document.cjfform.textfast.value == "WHY ARE YOU FASTING???:")
    {
	    document.cjfform.textfast.value = "WHY ARE YOU FASTING???:";	     
	}	
}

function changefastblank()
{
	document.cjfform.textfast.value = "";	
}

function changephone()
{
	if (document.cjfform.txtphone.value == "" || document.cjfform.txtphone.value == "YOUR PHONE NO.")
    {
	    document.cjfform.txtphone.value = "YOUR PHONE NO.";	     
	}	
}

function changephoneblank()
{
	document.cjfform.txtphone.value = "";	
}


function changeemail()
{
	if (document.cjfform.textemail.value == "" || document.cjfform.textemail.value == "E-MAIL ADDRESS")
    {
	    document.cjfform.textemail.value = "E-MAIL ADDRESS";	     
	}	
}

function changeemailblank()
{
	document.cjfform.textemail.value = "";	
}