function f_optsku() {
	fv_optionids = "";

	// Get current option combination (fv_optionids = current selection)
	fv_proddispoptgrp_ids = v_proddispoptgrp_ids.split(",");
	var arr = new Array(fv_proddispoptgrp_ids.length);
	for (v_loop = 0; v_loop < fv_proddispoptgrp_ids.length; v_loop++) {
		arr[v_loop] = document.getElementById("v_proddispoptgrp_id" + fv_proddispoptgrp_ids[v_loop]).value;
		
	}
	// Sort Options in Numeric Ascending Order
	fv_optionids = arr.sort(function(a,b){return a - b});

	// Check each option combination
	for (v_loop = 1; v_loop <= v_optskuloop; v_loop++) {
		if (v_opt[v_loop] == fv_optionids) {
			// Set new image
			fv_mainimg_current_src = document.getElementById("mainimg").src
			fv_mainimg_current_src = fv_mainimg_current_src.split("/");
			fv_mainimg_new_src = "";
			for (fv_mainimg_src_loop = 0; fv_mainimg_src_loop < fv_mainimg_current_src.length-2; fv_mainimg_src_loop++) {
				fv_mainimg_new_src += fv_mainimg_current_src[fv_mainimg_src_loop] + "/";
			}
			f_loadimage("mainimg",fv_mainimg_new_src + v_sku[v_loop] + "/L.jpg");
		}
	}
}


// Preload Loadin Image
document.write('<img src="' + f_preloadimage("mainimg") + '" style="height:1px;width:1px;display:none;" />');


function f_preloadimage(fv_id) {
	fv_mainimg_current_src = document.getElementById(fv_id).src
	fv_mainimg_current_src = fv_mainimg_current_src.split("/");
	fv_mainimg_new_src = "";
	for (fv_mainimg_src_loop = 0; fv_mainimg_src_loop < fv_mainimg_current_src.length-2; fv_mainimg_src_loop++) {
		fv_mainimg_new_src += fv_mainimg_current_src[fv_mainimg_src_loop] + "/";
	}
	return fv_mainimg_new_src + "../loading.gif";
}

function f_loadimage(fv_id,fv_src) {
	// Display Loading Image Immediately

 	document.getElementById(fv_id).src = f_preloadimage(fv_id);
	// Create Timer
	func = "f_loadimagedelay('" + fv_id +"','" + fv_src + "')"
	v_loadimagetimer = setTimeout(func,250);
}



function f_loadimagedelay(fv_id,fv_src) {
	clearTimeout(v_loadimagetimer);
	// Display Image
	document.getElementById(fv_id).src = fv_src;
}