// ANALYZE
// gets os, browser, dom compliance
function thisAnalyze() {
	var os, browser, dom;
	var agent = navigator.userAgent.toLowerCase();
	
	// determine os
	if (agent.indexOf('win') > 0) {
		this.os = 'win';
	} else if (agent.indexOf('mac') > 0) {
		this.os = 'mac';
	}
	
	// determine msie
	if (agent.indexOf('msie') > 0) {
		this.browser = 'msie';
	}
	
	// determine DOM compliance
	if (document.getElementById) {
		this.dom = true;
	}
	
	return this;
}

// INIT
var system = new thisAnalyze();
var preloadFlag = false;

// CREATE IMAGE OBJECTS
function newImage(path) {
	if (document.images) {
		result = new Image();
		result.src = path;
		return result;
	}
}

// HANDLE IMAGE ROLLOVERS
function changeImage(targ, obj) {
	if (system.dom) {
		document.getElementById(targ).src = eval(obj + '.src');
	}
}

// CHANGE CLASS
function changeClass(targ, name) {
	if (system.dom) {
		document.getElementById(targ).className = name;
	}
}

// CHANGE CURSOR
function changeCursor(targ) {
	targ.style.cursor = "pointer";
}

// CHANGE CONTENTS
function changeContents(targ, html) {
	if (system.dom) {
		obj = document.getElementById(targ);
		obj.innerHTML = '';
		obj.innerHTML = html;
	} else if (document.all) {
		obj = document.all[targ];
		obj.innerHTML = html;
	}
}

// CHANGE STYLE
function changeStyle(targ, style, state) {
	if (system.dom) {
		obj = document.getElementById(targ);
		eval('obj.style.' + style + ' = \'' + state + '\'');
	}
}

// LINKS
function getLink(value) {
	window.location.href = value;
}

// POP WINDOW
function popWindow(src, width, height) {
	var w = 800, h = 600;
	if (screen.width || screen.height) {
		w = screen.width;
		h = screen.height;
	}
	var leftPos = (w-width)/2;
	var topPos = (h-height)/2;
	window.open(''+src+'','','width='+width+',height='+height+',toolbar=no,status=no,menubar=no,scrollbars=no,resizeable=no,top=' + topPos + ',left=' + leftPos);
	void(0);
}

// DELETE - CONFIRM BOX
function confirm_delete(src) {
	input_box = confirm('Delete this record?');
	if (input_box == true) { 
		// OK is clicked
		getLink(src);
	}
}