function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail!! Please enter a VALID email!")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail!! Please enter a VALID email!")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail!! Please enter a VALID email!")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail!! Please enter a VALID email!")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail!! Please enter a VALID email!")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail!! Please enter a VALID email!")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail!! Please enter a VALID email!")
		    return false
		 }

 		 return true					
	}
	
function checksubmit()
{
if (document.groupresform.fname.value == "")
   {
      alert("Please enter your FIRST name!")
      document.groupresform.fname.focus()
      return false
   }
 if (document.groupresform.lname.value == "")
   {
      alert("Please enter your LAST name!")
      document.groupresform.lname.focus()
      return false
   }
   if (document.groupresform.phone.value == "")
   {
      alert("Please enter your PHONE number!")
      document.groupresform.phone.focus()
      return false
   }
   var emailID=document.groupresform.email
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Invalid E-mail!! Please enter a VALID email!")
		emailID.focus()
		return false
	}
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false
		}
	
   return true
}


<!-- This script is based on the javascript code of Roman Feldblum (web.developer@programmer.net) -->
<!-- Original script : http://javascript.internet.com/forms/format-phone-number.html -->
<!-- Original script is revised by Eralper Yilmaz (http://www.eralper.com) -->
<!-- Revised script : http://www.kodyaz.com -->
<!-- Revised script by Kyle Johnson -->

function validatePhone(object,e){
	e = (e)? e : window.event;
	var keycode=(e.which) ? e.which : e.keyCode;
	var sub=false;
	
	if(keycode >= 48){
		var cursorposition=getCursor(object);
		
		var o = object.value;
		var p = object.value;
		p = p.replace(/[^\d]*/gi,"");
		p=p.substring(0,10);
		
		/*if (p.length < 3) {
			var dif=object.value.length-p.length;
			if(dif>1){
			 	sub=true;
			}
			object.value = "("+p;
		} 
		else*/ if(p.length>=3 && p.length < 6){
			var dif=object.value.length-p.length;
			if(dif>1){
			 	sub=true;
			}
			object.value =p.substring(0,3)+"-"+p.substring(3);
		} 
		else if(p.length >= 6){
			var dif=object.value.length-p.length;
			if(dif>2){
			 	sub=true;
			}
			
			object.value = p.substring(0,3)+"-"+p.substring(3,6)+"-"+p.substring(6);
		}
		else {
			object.value = p;
		}
		
		
		if(!sub&&(cursorposition==3||cursorposition==7)){
			cursorposition+=1;
		}
		if(sub){
			cursorposition-=1;
		}
		
		setCursor(object,cursorposition);
	}
}

function validateExt(object,e){
	e = (e)? e : window.event;
	var keycode=(e.which) ? e.which : e.keyCode;
	if(keycode >= 48){
		var cursorposition=getCursor(object);;
		var o = object.value;
		var p = object.value;
		var sub=false;
		
		p = p.replace(/[^\d]*/gi,"");
		
		var dif=object.value.length-p.length;
		if(dif==1){
			sub=true;
		}
		object.value = p;
		if(sub){
			cursorposition-=1;
		}
		setCursor(object,cursorposition);
	}
}

function validateZip(object,e){
	e = (e)? e : window.event;
	var keycode=(e.which) ? e.which : e.keyCode;
	if(keycode >= 48){
		var cursorposition=getCursor(object);
		var o = object.value;
		var p = object.value;
		var sub=false;
		
		p = p.replace(/[^\d]*/gi,"");
		
		if (p.length > 5) {
			var dif=object.value.length-p.length;
			if(dif>1){
			 	sub=true;
			}
			object.value = p.substring(0,5)+"-"+p.substring(5);
		}
		else {
			var dif=object.value.length-p.length;
			if(dif==1){
			 	sub=true;
			}
			object.value = p;
		}
		
		if(!sub&&cursorposition==6){
			cursorposition+=1;
		}
		if(sub){
			cursorposition-=1;
		}
		setCursor(object,cursorposition);
	}
}

function getCursor(object){
	if(!object.selectionEnd){
		var selrange=document.selection.createRange();
		var objrange=object.createTextRange();
		objrange.setEndPoint( 'EndToEnd', selrange );
		return objrange.text.length - selrange.text.length;
	}
	return object.selectionEnd;
}

function setCursor(object,cursorposition){
	if(object.selectionEnd){
		object.selectionEnd=cursorposition;
		object.selectionStart=cursorposition;
	}
	else{
		var txtRange = object.createTextRange();
		txtRange.moveStart( "character", cursorposition);
		txtRange.moveEnd( "character", cursorposition - object.value.length);
		txtRange.select();
	}
}

// ****** Show/Hide URL link DIV  **********
function CCContent(d) {
	if(document.getElementById(d)!=null){
	if(document.forms[0].website==null||document.forms[0].website[0].checked){
		document.getElementById(d).style.display = "block";
	}
	else{
		document.getElementById(d).style.display = "none";
	}}
}