function getQueryString(param_name) {
	var query = window.location.search.substr(1);
	var paramSet = query.split("&");
	for(var i=0; i < paramSet.length; i++) {
		var valuePair = paramSet[i].split("=");
		if(valuePair[0] == param_name) {
			return valuePair[1];
		}
	}
} 

function getCookieValue(cookieName) {
	var cookieString = document.cookie;
	var cookieSets = cookieString.split(";");
		for(var i=0; i < cookieSets.length; i++) {
			var cookiePaired = cookieSets[i].split("=");
			while(cookiePaired[0] == cookieName || cookiePaired[0] == " " + cookieName) {
				return cookiePaired[1];
			}
		}
}

function removeMercHeader() {
var divArray = document.getElementsByTagName('div');
for(var i=0; i < divArray.length; i++) {
	if(divArray[i].className == 'container') {
		var	parent = divArray[i];
			if(parent.childNodes && parent.childNodes.length > 0) {
				for(var ci=0; ci < parent.childNodes.length; ci++) {
					while(parent.childNodes[ci].id != 'promobanner1') {
						parent.removeChild(parent.childNodes[ci]);
					} 
				}
			}
		} 
	}
}

function removeElement(elementId) {
var parent;
	for(var i=0; i < elementId.length; i++) {
		parent = document.getElementById(elementId[i]);
		if(parent.childNodes && parent.childNodes.length > 0) {
			for(var ci=0; ci < parent.childNodes.length; ci++) {
				while(parent.childNodes[ci]) {
					parent.removeChild(parent.childNodes[ci]);
				}
			}
		}
	}
}

function createImage(imgName, elementID, altText) {
	var img_node = document.createElement('img');
	var uri = "http://cdn.overstock.com/img/mxc/";
	var eParent = document.getElementById(elementID);
	img_node.src = uri + imgName;
	img_node.alt = altText;
	
	if(eParent.childNodes && eParent.childNodes.length > 0) {
		for(var i=0; i < eParent.childNodes.length; i++) {            
			while(eParent.childNodes[i]) {
				eParent.removeChild(eParent.childNodes[i]);
			}
		}
	}
	eParent.appendChild(img_node);
}

function swapOasisObject(url, cid, imgName, elementID, altText) {
	var a_href = document.createElement('a');
	var img_node = document.createElement('img');
	var img_uri = "http://cdn.overstock.com/img/mxc/";
	var eParent = document.getElementById(elementID);
	img_node.src = img_uri + imgName;	
	img_node.border = 0;
	img_node.alt = altText;
	
	var urlSet = url.split(":");
	var urlType = urlSet[0].toUpperCase();

	if(urlType == "SP") {
		url = "http://www.overstock.com/cgi-bin/d2.cgi?PAGE=STATICPAGE&PAGE_ID=" + urlSet[1];
	} else if(urlType == "SPF") {
		url = "http://www.overstock.com/cgi-bin/d2.cgi?PAGE=STATICPOPUPFULL&STA_ID=" + urlSet[1];
	} else if(urlType == "PROD") {
		url = "http://www.overstock.com/" + urlSet[1] + "/product.html";
	} else if(urlType == "MERC") {
		url = "http://www.overstock.com/search?keywords=" + urlSet[1];
	} else if(urlType == "STORE") {
		url = "http://www.overstock.com/?" + urlSet[1];
	} else {
		url = "http://www.overstock.com";
	}

	
	if(cid != '') {
		if(url.indexOf("?") != -1) {
			a_href.href = url + "&CID=" + cid + "&fp=f";
		} else {
			a_href.href = url + "?CID=" + cid + "&fp=f";
		}
	} else {
		a_href.href = url;
	}
	
	if(eParent.childNodes && eParent.childNodes.length > 0) {
		for(var i=0; i < eParent.childNodes.length; i++) {            
			while(eParent.childNodes[i]) {
				eParent.removeChild(eParent.childNodes[i]);
			}
		}
	}
	a_href.appendChild(img_node);
	eParent.appendChild(a_href);
}