function stretchdiv() {
	var container = document.getElementById('panel-c-stretch');
	container.style.height = 'auto';
	var deltay = container.offsetHeight;
	container.style.height = deltay + "px";
}

function golink() {
	if (document.jump.menu.options[document.jump.menu.selectedIndex].value!='') {
		location=document.jump.menu.options[document.jump.menu.selectedIndex].value;
	}
}
function openbumper(gotourl) {
	window.open("/links/popup_bumper.cfm?gotostring="+gotourl, '_blank', 'width=500,height=300,resizable=no,scrollbars=no')
}
function showpic(imgname) {
	window.document.form1.cardname.value=imgname;
	window.document.form1.submit();
}

function inputchk(form) {

	if (!IsEmpty(form.txt_fromname.value)) {
		alert("Please Enter Your Name");
		form.txt_fromname.focus();
		return false;
	}
	if (!IsEmail(form.txt_fromemail.value)) {
		alert("Please Enter Your Valid Email Address");
		form.txt_fromemail.focus();
		return false;
	}
	if (!IsEmpty(form.txt_toname.value)) {
		alert("Please Enter Your Friend's Name");
		form.txt_toname.focus();
		return false;
	}
	if (!IsEmpty(form.txt_toemail.value)) {
		alert("Please Enter Your Friend's Valid Email Address");
		form.txt_toemail.focus();
		return false;
	}
	if (!IsEmpty(form.txt_msg.value)) {
		alert("Please Enter Message");
		form.txt_msg.focus();
		return false;
	}
	
	
}


// Text Input Check Function
function IsEmpty(string) {
	var inputString="";
	var validInput=false;
	inputStr=string;

	if ((inputStr=="") || (inputStr==null)) {
		return validInput;
	}
	
	validInput=true;
	return validInput;
}






// Email Check Function
function IsEmail(string) {

	var inputString="";
	var validInput=false;
	inputStr=string;

	if ((inputStr==null) || (inputStr=="")) {
		return validInput;
	}

	a=inputStr.indexOf('@'); 		 
	b=inputStr.indexOf('.',a);	
	c=inputStr.indexOf(' ');	
	d=inputStr.length;

	if  (a < 2) { 			// there must be at least xx@ 
		return validInput;
	}

	dotcom=inputStr.substring(b+1, d);
	if  (dotcom.length < 2) { 		// there must be at least @xx.xx 
		return validInput;
	}

	if  (b < 5) {			// there must be at least xx@xx.
		return validInput;
	}

	// If users enter 2 or more trailing spaces the email name will be rejected.
	for (i = 0; i<(d-1); i++) {
		if (inputStr.substring(i,i+1)==' ') {
			return validInput;
		}
	}
	
	validInput=true;
	return validInput;
	
}