// JavaScript Document

function popup(URL,w,h) {
	aWindow=window.open(URL, "thewindow", "toolbar=no, width="+w+", height="+h+", status=no, scrollbars=yes, resize=no, menubars=no");
}

function popup_full(URL,w,h) {
	aWindow=window.open(URL, "thewindow", "toolbar=no, width="+w+", height="+h+", status=yes, scrollbars=yes, resize=yes, menubars=no");
}

function popup_clean(URL,w,h) {
	aWindow=window.open(URL, "", "toolbar=no, width="+w+", height="+h+", status=no, scrollbars=no, resize=no, menubars=no");
}

function popup_scroll(URL,w,h) {
	aWindow=window.open(URL, "", "toolbar=no, width="+w+", height="+h+", status=no, scrollbars=yes, resize=no, menubars=no");
}

function teq_id(id) 
{ 
	if (document.getElementById) 
		var returnVar = document.getElementById(id); 
	else if (document.all) 
		var returnVar = document.all[id]; 
	else if (document.layers) 
		var returnVar = document.layers[id]; 
	/* alert(id+"="+returnVar); */
	return returnVar; 
}

function placeFocus() {
	if (document.forms.length > 0) {
		var field = document.forms[0];
		for (i = 0; i < field.length; i++) {
			if ((field.elements[i].type == "text") || (field.elements[i].type == "textarea") || (field.elements[i].type.toString().charAt(0) == "s")) {
				document.forms[0].elements[i].focus();
				break;
			}
		}
	}
}


function highlight(state) {
	element=event.srcElement;
	clr=new Array('white','white','white','silver','red','green');
	if (element.tagName=='INPUT' || element.tagName=='TEXTAREA') {
		etype=element.type;
		if (etype!='radio' && etype!='checkbox' 
		&& etype!='submit' && etype!='reset' && etype!='file') element.style.backgroundColor=clr[state];
	}
}


function yes(imgName){
	if (document.images) {
		document[imgName].src=eval('on_' + imgName + '.src');
	}
}


function no(imgName){
	if (document.images) {
		document[imgName].src=eval('off_' + imgName + '.src');
	}
}


function clear_help(){
	window.status=' ';
}


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){
	   return false;
	}


	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	   return false;
	}


	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		return false;
	}


	if (str.indexOf(at,(lat+1))!=-1){
		return false;
	}


	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		return false;
	}


	if (str.indexOf(dot,(lat+2))==-1){
		return false;
	}
	
	if (str.indexOf(" ")!=-1){
		return false;
	}
	return true;					
}