/* 
  ------------------------------------------------
  PVII Equal CSS Columns scripts -Version 2
  Copyright (c) 2005 Project Seven Development
  www.projectseven.com
  Version: 2.1.0
  ------------------------------------------------
*/
function P7_colH2(){ //v2.1.0 by PVII-www.projectseven.com
	var i,oh,h=0,tg,el,np,dA=document.p7eqc,an=document.p7eqa;if(dA&&dA.length){
	for(i=1;i<dA.length;i+=2){dA[i+1].style.paddingBottom='';}for(i=1;i<dA.length;i+=2){
	oh=dA[i].offsetHeight;h=(oh>h)?oh:h;}for(i=1;i<dA.length;i+=2){oh=dA[i].offsetHeight;
	if(oh<h){np=h-oh;if(!an&&dA[0]==1){P7_eqA2(dA[i+1].id,0,np);}else{
	dA[i+1].style.paddingBottom=np+"px";}}}document.p7eqa=1;
	document.p7eqth=document.body.offsetHeight;
	document.p7eqtw=document.body.offsetWidth;}
}
function P7_eqT2(){ //v2.1.0 by PVII-www.projectseven.com
 if(document.p7eqth!=document.body.offsetHeight||document.p7eqtw!=document.body.offsetWidth){P7_colH2();}
}
function P7_equalCols2(){ //v2.1.0 by PVII-www.projectseven.com
 var c,e,el;if(document.getElementById){document.p7eqc=new Array();
 document.p7eqc[0]=arguments[0];for(i=1;i<arguments.length;i+=2){el=null;
 c=document.getElementById(arguments[i]);if(c){e=c.getElementsByTagName(arguments[i+1]);
 if(e){el=e[e.length-1];if(!el.id){el.id="p7eq"+i;}}}if(c&&el){
 document.p7eqc[document.p7eqc.length]=c;document.p7eqc[document.p7eqc.length]=el}}
 setInterval("P7_eqT2()",10);}
}
function P7_eqA2(el,p,pt){ //v2.1.0 by PVII-www.projectseven.com
	var sp=10,inc=20,g=document.getElementById(el);np=(p>=pt)?pt:p;
	g.style.paddingBottom=np+"px";if(np<pt){np+=inc;
	setTimeout("P7_eqA2('"+el+"',"+np+","+pt+")",sp);}
}

/* end PVII Equal CSS Columns script */

function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	}
	else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}

function equalHeightColumns() {
	P7_equalCols2(0,'left','div','middle','div');
}

function focusElements() {
	// an array of elements that need to be focused on page load (if they exist)
	var focusElementIDs = ['input-name'];
	// loop through
	for (var i = 0; i < focusElementIDs.length; i++) {
		elementID = focusElementIDs[i];
		if (document.getElementById(elementID)) {
			document.getElementById(elementID).focus();
		}
	}
}

/* start form validation functions */

function validateNumber(field, msg, min, max) {
	if (!min) { min = 0 }
	if (!max) { max = 255 }
	if ( (parseInt(field.value) != field.value) || field.value.length < min || field.value.length > max) {
		alert(msg);
		field.focus();
		field.select();
		return false;
	}
	return true;
}

function validateString(field, msg, min, max) {
	if (!min) { min = 1 }
	if (!max) { max = 65535 }
	if (!field.value || field.value.length < min || field.value.max > max) {
		alert(msg);
		field.focus();
		field.select();
		return false;
	}
	return true;
}

function validateEmail(email, msg, optional) {
	if (!email.value && optional) {
		return true;
	}

	var re_mail = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z])+$/;
	
	if (!re_mail.test(email.value)) {
		alert(msg);
		email.focus();
		email.select();
		return false;
	}
	return true;
}

function validateList(listname, msg) {

	var foo = listname.selectedIndex;

	if (foo == 0 || foo == -1) {
		alert(msg);
		return false;
	}
	
	return true;
	
}

/* end form validation functions */

addLoadEvent(focusElements);