if (document.images){
   img0 = new Image();
   img1 = new Image();
   img2 = new Image();
   img3 = new Image();
   img4 = new Image();
   img5 = new Image();
   img6 = new Image();
   img7 = new Image();
   img8 = new Image();
   img9 = new Image();
   img10 = new Image();
	
   img0.src = "img/tallbck.jpg";
   img1.src = "img/Logo3.jpg";
   img2.src = "img/m_raptor.jpg";
   img3.src = "img/m_baron3.jpg";
   img4.src = "img/m_smt.jpg";
   img5.src = "img/m_storage.jpg";
   img6.src = "img/m_mobile.jpg";
   img7.src = "img/foot.jpg";
   img8.src = "img/bg250v.jpg";
   img9.src = "img/bx0.gif";
   img10.src = "img/bx1.gif"; 
}


function swap(o,n,m){
	//alert(" hey there...: "+o);
	var str = o+"_img";
	var len = document.getElementById(str).src.length;
	var tmp2 = document.getElementById(str).src.substring(len-5,len-4);
	document.getElementById(str).src = (tmp2 == 0) ? img10.src : img9.src;
	
	var i = 0;
	
	if(m){
		for( i = 0 ; i < m ; i++ ){
			document.getElementById(o+"_"+i).style.display = (tmp2 == 0) ? 'block' : 'none';
		}
	} else {
		document.getElementById(o+"_0").style.display = (tmp2 == 0) ? 'block' : 'none';
	}
	
	
	var allOpen = checkAll(n);
	if(n>1){
		document.getElementById('expand').innerHTML = (allOpen) ? 'collapse all...' : 'expand all...';
	} else {
		document.getElementById('expand').innerHTML = (allOpen) ? 'collapse...' : 'expand...';
	}
	
}


function swapMobile(o){
	//alert(" hey there...: "+o);
	var str = o+"_img";
	var len = document.getElementById(str).src.length;
	var tmp2 = document.getElementById(str).src.substring(len-5,len-4);
	document.getElementById(str).src = (tmp2 == 0) ? img10.src : img9.src;
	
	var tmp = o.substring(1);
	//alert("tmp: "+tmp);
	
	var i = 0;
	var j = 0;
	for ( i = 0 ; i < 4 ; i++ ){
		//alert("  i: "+i+"   tmp: "+tmp+"    =: "+(tmp==i));
		if( i == 1 ){
			for( j = 0 ; j < 3 ; j++ ){
				document.getElementById("d"+i+"_"+j).style.display = (tmp == i) ? 'block' : 'none';
			}
		} else {
			document.getElementById("d"+i+"_0").style.display = (tmp == i) ? 'block' : 'none';
		}
		//alert("    "+o+": "+(document.getElementById(o+'_'+i).style.display));
	}
	
	/*
	var i = 0;
	
	if(m){
		for( i = 0 ; i < m ; i++ ){
			document.getElementById(o+"_"+i).style.display = (tmp2 == 0) ? 'block' : 'none';
		}
	} else {
		document.getElementById(o+"_0").style.display = (tmp2 == 0) ? 'block' : 'none';
	}
	
	
	var allOpen = checkAll(n);
	if(n>1){
		document.getElementById('expand').innerHTML = (allOpen) ? 'collapse all...' : 'expand all...';
	} else {
		document.getElementById('expand').innerHTML = (allOpen) ? 'collapse...' : 'expand...';
	}
	*/
}

function checkAll(n){
	//alert(" checkAll n: "+n);
	var areOpen = true;
	for (var i = 0 ; i < n ; i++ ){
		if(document.getElementById("d"+i+"_img").src == img9.src){
			areOpen = false;
		}
	}
	return areOpen;
}

function swapAll(o,n){
	
	var allOpen = checkAll(n);
	//alert(" allOpen: "+allOpen);
	
	for (var i = 0 ; i < n ; i++ ){
		document.getElementById("d"+i+"_img").src = (allOpen) ? img9.src : img10.src;
		document.getElementById("d"+i+"_0").style.display = (allOpen) ? 'none' : 'block';
	}
	
	if(n>1){
		document.getElementById('expand').innerHTML = (allOpen) ? 'expand all...' : 'collapse all...';
	} else {
		document.getElementById('expand').innerHTML = (allOpen) ? 'expand...' : 'collapse...';
	}

}

var firstTimeCalc = true;

function next(o,btn){
	document.getElementById(btn).style.display = 'none';
	if ( o == "B" ){
		document.getElementById(o+"0").style.display = 'inline';
		document.getElementById(o+"1").style.display = 'block';
		document.getElementById("C0").style.display = 'inline';
		document.getElementById("C1").style.display = 'block';
		document.getElementById("D0").style.display = 'inline';
		document.getElementById("D1").style.display = 'block';
		
		
	} else {
		
		document.getElementById(o+"0").style.display = 'inline';
		document.getElementById(o+"1").style.display = 'block';
		if(firstTimeCalc){
			firstTimeCalc = false;
			wipe('t','v',5);
		}
	}
	
};

function total(){
	var t=0;
	for(var i=1; i<6;i++){
		t += parseInt(document.getElementById('v0'+i).value);
	}
	 document.getElementById('t10').value = t;
	 return t;
}


function calc(o,v,c){
	var tmp = o.substring(o.length-1);
	
	if(v.match(/^\d+$/)){
		document.getElementById(o).value = v*1;
	}else{
		v=0;
		document.getElementById(o).value = 0;
	}
	document.getElementById('v0'+tmp).value = v*c;
	var t = total();
	
	for(var i=0;i<12;i++){
		var minutesTotal = (t / document.getElementById('cfm'+i).innerHTML);
		var temp = ((minutesTotal/60).toFixed(2)).toString();
		var hours = temp.substring(0,temp.indexOf('.'));
		var minutes = (minutesTotal%60).toFixed(0);
		
		minutes = (minutes.length <= 1 ) ? ("0"+minutes) : minutes;
		temp = hours+":"+minutes;
		
		document.getElementById('m'+i).value = temp;
	}
}

function wipe(t,v,n){
	//var temp = document.getElementById('t01').value;
	//alert(" n: "+temp);
	
	for( var i = 1 ; i <= n ; i++ ){
		document.getElementById('t0'+i).value = 0;
		document.getElementById('v0'+i).value = 0;
	}
}


function high(o) { 
  	document.getElementById(o).className = 'link_On';
	document.getElementById(o).style.backgroundColor = '#ffcc00';
}

function low(o) { 
	document.getElementById(o).className = 'link_Off';
  	document.getElementById(o).style.backgroundColor = 'transparent';
}

function sel(o,n) {
	
	if(n){
		var s = o.substring(0,1);
		var i;
		
		if(document.getElementById(o).checked == true){
			for( var i = 0 ; i < n ; i++ ){
				document.getElementById(s+i).checked = true;
			}
		} else {
			for( var i = 0 ; i < n ; i++ ){
				document.getElementById(s+i).checked = false;
			}
		}
	} 

}

function clearContent(o){
	document.getElementById(o).value = "";	
}

function checkURL(){
	var url = window.location.href;
	var meat = url.split("?");
	
	
	if(meat.length <= 1){ 
		return;
	} else {
	
		var cut = meat[1];
		
		var steak = cut.split("&");
		var pID = steak[1];
		
		pID = pID.substring(0,1);
		
		var i;
		for ( i = 0 ; i < 4 ; i++ ){
			document.getElementById(pID+i).checked = true;
		}
	}
}