function showDWindow(url,width,height,left,top)
{
	//var ie5=document.all&&document.getElementById;
	var ns6=document.getElementById&&!document.all;
	document.getElementById("dwindow").style.display='';
	document.getElementById("dwindow").style.width=width+"px";
	document.getElementById("dwindow").style.height=height+"px";
	document.getElementById("dwindow").style.left=left+"px";
	document.getElementById("dwindow").style.top=top+"px";
	document.getElementById("cframe").src=url;
}

function closeit()
{
	parent.document.getElementById("dwindow").style.display="none";
}

   function isValidEmail(emailField,incorrectEmail,spaceEmail) {
	   var email = emailField.value;
	   emailField.value = email;
	
	    if (emailField.value == "")
	    {
	       alert(incorrectEmail);
	       emailField.focus();
	       return false;
	    }
	    if(-1 != emailField.value.indexOf(",")) { 
	       alert(incorrectEmail);
	       emailField.focus();
	       return false; 
	       }
	    if(-1 != emailField.value.indexOf("#")) { 
	       alert(incorrectEmail);
	       emailField.focus();
	       return false; 
	       }
	    if(-1 != emailField.value.indexOf("!")) { 
	       alert(incorrectEmail);
	       emailField.focus();
	       return false; 
	       }
	    if(-1 != emailField.value.indexOf(" ")) { 
	       alert(spaceEmail); 
	       emailField.focus();
	       return false; 
	       }
	    if(0 == emailField.value.indexOf("@")) { 
	       alert(incorrectEmail);
	       emailField.focus();
	       return false; 
	       }
	    if(-1 == emailField.value.indexOf("@")) { 
	       alert(incorrectEmail);
	       emailField.focus();
	       return false; 
	       }
	    if(emailField.value.length == (emailField.value.indexOf("@")+1) ) {
	       alert(incorrectEmail);
	       emailField.focus();
	       return false;
	       }
	    if(-1 == emailField.value.indexOf(".")) { 
	       alert(incorrectEmail);
	       emailField.focus();
	       return false; 
	       }
	    if( (emailField.value.indexOf(".")) == (emailField.value.indexOf("@")+1) ) {
	       alert(incorrectEmail);
	       emailField.focus();
	       return false;
	       }
	    if(emailField.value.length == (emailField.value.indexOf(".")+1) ) {
	       alert(incorrectEmail);
	       emailField.focus();
	       return false;
	       }
	    if(emailField.value.charAt(emailField.value.length-1) == '.' ) {
	       alert(incorrectEmail);
	       emailField.focus();
	       return false;
	       }
	    if(emailField.value.split('@').length >2) {
	       alert(incorrectEmail);
	       emailField.focus();
	       return false;
	       }
	    return true;
  }