# Source: checkIonCheckbox.js

    /**
     * map the ion name from the prsm.js files to the ion checkbox id in the spectrum.html
     * @param {Char} ionType - Contains ion types from check box
     */
    function setIonCheckbox(ionType){
    	const ionNames = {
    		"B":"b",
    		"A":"a",
    		"Y":"y",
    		"C": "c",
    		"Z_DOT":"z_",
    		"X":"x"
    	}

    	let ionsAll = document.getElementsByClassName("custom-control-input");
    	let ionTypeSplit = ionType.split(',');

    	ionTypeSplit.forEach(function(ionTy){
    		for (let i = 0; i<ionsAll.length;i++){
    			if (ionNames[ionTy] == ionsAll[i].id){
    				 ionsAll[i].checked = true;
    			}
    		}
    	})
    }