katyo

all: excellon.html excellon.pdf

excellon.html: excellon.md
	@pandoc $< -o $@

excellon.pdf.md: excellon.md
	@cat $< | sed 's/\.png/\.pdf/g' > $@

excellon.pdf: excellon.pdf.md
	@pandoc $< --latex-engine=pdflatex -o $@

IamSilviu

Date.prototype.getWeek = function () {
    var onejan = new Date(this.getFullYear(), 0, 1);
    return Math.ceil((((this - onejan) / 86400000) + onejan.getDay() + 1) / 7);
};

var myDate = new Date("2001-02-02");
myDate.getWeek(); //=> 5