gz44_IE5=gz44_NN4=gz44_NN6=gz44_OPA=false;
if(navigator.userAgent.toLowerCase().indexOf("opera")+1){
	gz44_OPA=true;
}else if(document.all){
	gz44_IE5=true;
}else if(document.layers){
	gz44_NN4=true;
}else if(document.getElementById){
	gz44_NN6=true;
}


onload=gz44_rePos;
onresize=gz44_rePos;

var gz44_int = setInterval("gz44_rePos()", 500);


function gz44_rePos() {
	
	gz44_w=300;
	gz44_h=300;
	
	if(document.getElementById){
		gz44_myObj=document.getElementById("gzCenterDiv").style;
	}else{
		gz44_myObj=document.gzCenterDiv;
	}

	if(window.innerHeight) {
		gz44_xc=Math.round((window.innerWidth/2)-(gz44_w/2));
		gz44_yc=Math.round((window.innerHeight/2)-(gz44_h/2));
	}else if(document.documentElement.clientHeight){
		gz44_xc=Math.round((document.documentElement.clientWidth/2)-(gz44_w/2));
		gz44_yc=Math.round((document.documentElement.clientHeight/2)-(gz44_h/2));		
	}else if(document.body.clientHeight){
		gz44_xc=Math.round((document.body.clientWidth/2)-(gz44_w/2));
		gz44_yc=Math.round((document.body.clientHeight/2)-(gz44_h/2));
	}else{
		gz44_xc = 200;
		gz44_yc = 200;
	}
	
	if(window.pageYOffset){
		gz44_offset = window.pageYOffset;
	}else if(document.documentElement.scrollTop){
		gz44_offset = document.documentElement.scrollTop;
	}else if(document.body.scrollTop){
		gz44_offset = document.body.scrollTop;
	}else{
		gz44_offset = 0;
	}
	
	if(this.gz44_NN4) {
		gz44_myObj.moveTo(gz44_xc,gz44_yc + gz44_offset);
	} else {
		gz44_myObj.left = gz44_xc + "px";
		gz44_myObj.top = gz44_yc + gz44_offset + "px";
	}
	
	if(gz44_myObj.display){
		gz44_myObj.display = 'block';
	}
	
}

// ------------------------------------------------------------------- //

function gzCheckLeadForm(){
	
	if(document.forms.leadForm.leadName.value == ""){
		alert('Please enter your name.');
		return false;
	}

	if(document.forms.leadForm.leadEmail.value == ""){
		alert('Please enter your email address.');
		return false;
	}
	
	if(!is_email(document.forms.leadForm.leadEmail.value)){
		alert('Please enter a valid email address.');
		return false;
	}
	
	if(document.forms.leadForm.leadPhone.value == ""){
		alert('Please enter your phone number.');
		return false;
	}
	
	if(document.forms.leadForm.leadCity.value == ""){
		alert('Please enter your city.');
		return false;
	}

}

function hideLeadForm(){
	if(document.getElementById){
		gz44_myObj=document.getElementById("gzCenterDiv").style;
	}else{
		gz44_myObj=document.gzCenterDiv;
	}
	
	if(gz44_myObj.display){
		window.clearInterval(gz44_int);
		gz44_myObj.display = 'none';
	}
}