// JavaScript Document

function emailCheck (emailStr) {
	var emailPat=/^(.+)@(.+)$/
	var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
	var validChars="\[^\\s" + specialChars + "\]"
	var quotedUser="(\"[^\"]*\")"
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
	var atom=validChars + '+'
	var word="(" + atom + "|" + quotedUser + ")"
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
	
	
	var matchArray=emailStr.match(emailPat)
	if (matchArray==null) {
		return false
	}
	var user=matchArray[1]
	var domain=matchArray[2]
	
	if (user.match(userPat)==null) {
		return false
	}
	
	var IPArray=domain.match(ipDomainPat)
	if (IPArray!=null) {
		  for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
			return false
			}
		}
		return true
	}
	
	var domainArray=domain.match(domainPat)
	if (domainArray==null) {
		return false
	}
	
	var atomPat=new RegExp(atom,"g")
	var domArr=domain.match(atomPat)
	var len=domArr.length
	if (domArr[domArr.length-1].length<2 || 
		domArr[domArr.length-1].length>3) {
	   return false
	}
	
	if (len<2) {
	   var errStr="This address is missing a hostname!"
	   return false
	}
	
	return true;
}

function trim(stringToTrim) {
	return stringToTrim.replace(/^\s+|\s+$/g,"");
}
function ltrim(stringToTrim) {
	return stringToTrim.replace(/^\s+/,"");
}
function rtrim(stringToTrim) {
	return stringToTrim.replace(/\s+$/,"");
}

function layer_hide(id) {
	var obj = document.getElementById(id);
	if(obj) {
		obj.style.display = 'none';
	}
}

function layer_show(id) {
	var obj = document.getElementById(id);
	if(obj) {
		obj.style.display = 'block';
	}
}

function quote_percent_val(id) {
	var obj = document.getElementById(id);
	if(obj) {
		if(obj.options[obj.selectedIndex].value == -1) {
			layer_show(id + '-others');
		} else {
			layer_hide(id + '-others');
		}
	}
}

function winpop(mypage,myname,w,h,scroll) {
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	settings =
	'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable'
	win = window.open(mypage,myname,settings)
}

// slideshow script
var SlideShow = Class.create (
	{
		initialize: function (myObj, speed, delay)
		{
			this.myObj = $(myObj);
			this.speed = speed;
			this.s_delay = delay;
			this.SlideShowElements = this.myObj.getElementsBySelector('li');	
								
			this.SlideShowElements.each(
				function (ObjElement) {						
					ObjElement.hide(); 
				}
			);	
			
			this.s_name = 's'+myObj;
			this.startShow(myObj, this.SlideShowElements, this.s_name, this.speed, this.s_delay);
						
		},
		
		startShow: function(myObj, SlideShowElements, s_name, speed, s_delay)
		{	
			SlideShowElements.each (
				function (ObjElement) {
					Effect.Appear(ObjElement, { duration: speed, queue: { position:'end', scope: s_name} });
					Effect.Fade(ObjElement, { duration: speed, queue: { position:'end', scope: s_name}, delay: s_delay });
				}							
			);
			
			this.cycle.delay (
				SlideShowElements.size() * (speed * 2 + s_delay), myObj, speed, s_delay
			);
		},
		
		cycle: function (myObj, speed, s_delay)
		{
			new SlideShow(myObj, speed, s_delay);
		}
	}
);